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提示信息| 排出压力：1.0（Mpa） | 功率：3233（w） | 扬程：200米 |
| 进出口径：65/50 | 工作温度：80 | 型号：SNH120R51U12.1W1 |
| 转速：1450（r/m） | 流量：8（m3/h） | 吸程：3米 |
| 适用范围：管道冲洗,冷却,循环,润滑,点火,油泵,倒灌,输送 | 品牌：AKP,AKBY,艾科泵业 | 用途：三螺杆泵,点火油泵 |
| 驱动方式：电动 | 性能：防爆 |
一、SN三螺杆泵的特点
1.转子液压平衡，振动小，噪音低。
2.输出稳定，无脉动。
3.高效率。
4.具有很强的自吸能力。
5.零部件采用通用性强的系列化设计，具有多种安装方式。
6.结构紧凑，体积小，重量轻，可在较高转速下工作。
二、输送介质种类
a. 润滑性液体：如机械油，滑油，重油，渣油
b. 低润滑性液体：如轻柴油，重柴油，含蜡稀油
c. 粘性液体：如各种合成橡胶液和人造胶液，乳化液
三、应用行业或应用领域
·在供热设备中用做燃油，燃油供应和输送泵。
·在机械工业中用做液压，润滑和摇控马达泵。
·在化学石油化工和食品工业中用做装载，输送和供液泵。
·在船舶上用做输送、增压、燃油喷射和润滑油泵以及船用液压装置泵。
产品型号大全：
SNH40R38U8W2三螺杆泵
SNH40R38U12.1W21三螺杆泵
SNH40R38U12.1W23三螺杆泵
SNF40R38U8W2三螺杆泵
SNF40R38U12.1W21三螺杆泵
SNF40R38U12.1W23三螺杆泵
SNS40R38U8W2三螺杆泵
SNS40R38U12.1W21三螺杆泵
SNS40R38U12.1W23三螺杆泵
SNE40R38U8W2三螺杆泵
SNE40R38U12.1W21三螺杆泵
SNE40R38U12.1W23三螺杆泵
SNH40R46U8W2三螺杆泵
SNH40R46U12.1W21三螺杆泵
SNH40R46U12.1W23三螺杆泵
SNF40R46U8W2三螺杆泵
SNF40R46U12.1W21三螺杆泵
SNF40R46U12.1W23三螺杆泵
SNS40R46U8W2三螺杆泵
SNS40R46U12.1W21三螺杆泵
SNS40R46U12.1W23三螺杆泵
SNE40R46U8W2三螺杆泵
SNE40R46U12.1W21三螺杆泵
SNE40R46U12.1W23三螺杆泵
SNH40R54U8W2三螺杆泵
SNH40R54U12.1W21三螺杆泵
SNH40R54U12.1W23三螺杆泵
SNF40R54U8W2三螺杆泵
SNF40R54U12.1W21三螺杆泵
SNF40R54U12.1W23三螺杆泵
SNS40R54U8W2三螺杆泵
SNS40R54U12.1W21三螺杆泵
SNS40R54U12.1W23三螺杆泵
SNE40R54U8W2三螺杆泵
SNE40R54U12.1W21三螺杆泵
SNE40R54U12.1W23三螺杆泵
SNH80R36U8W2三螺杆泵
SNH80R36U12.1W21三螺杆泵
SNH80R36U12.1W23三螺杆泵
SNF80R36U8W2三螺杆泵
SNF80R36U12.1W21三螺杆泵
SNF80R36U12.1W23三螺杆泵
SNS80R36U8W2三螺杆泵
SNS80R36U12.1W21三螺杆泵
SNS80R36U12.1W23三螺杆泵
SNE80R36U8W2三螺杆泵
SNE80R36U12.1W21三螺杆泵
SNE80R36U12.1W23三螺杆泵
SNH80R42U8W2三螺杆泵
SNH80R42U12.1W21三螺杆泵
SNH80R42U12.1W23三螺杆泵
SNF80R42U8W2三螺杆泵
SNF80R42U12.1W21三螺杆泵
SNF80R42U12.1W23三螺杆泵
SNS80R42U8W2三螺杆泵
SNS80R42U12.1W21三螺杆泵
SNS80R42U12.1W23三螺杆泵
SNE80R42U8W2三螺杆泵
SNE80R42U12.1W21三螺杆泵
SNE80R42U12.1W23三螺杆泵
SNH80R46U8W2三螺杆泵
SNH80R46U12.1W21三螺杆泵
SNH80R46U12.1W23三螺杆泵
SNF80R46U8W2三螺杆泵
SNF80R46U12.1W21三螺杆泵
SNF80R46U12.1W23三螺杆泵
SNS80R46U8W2三螺杆泵
SNS80R46U12.1W21三螺杆泵
SNS80R46U12.1W23三螺杆泵
SNE80R46U8W2三螺杆泵
SNE80R46U12.1W21三螺杆泵
SNE80R46U12.1W23三螺杆泵
SNH80R54U8W2三螺杆泵
SNH80R54U12.1W21三螺杆泵
SNH80R54U12.1W23三螺杆泵
SNF80R54U8W2三螺杆泵
SNF80R54U12.1W21三螺杆泵
SNF80R54U12.1W23三螺杆泵
SNS80R54U8W2三螺杆泵
SNS80R54U12.1W21三螺杆泵
SNS80R54U12.1W23三螺杆泵
SNE80R54U8W2三螺杆泵
SNE80R54U12.1W21三螺杆泵
SNE80R54U12.1W23三螺杆泵
SNH120R42U8W2三螺杆泵
SNH120R42U12.1W21三螺杆泵
SNH120R42U12.1W23三螺杆泵
SNF120R42U8W2三螺杆泵
SNF120R42U12.1W21三螺杆泵
SNF120R42U12.1W23三螺杆泵
SNS120R42U8W2三螺杆泵
SNS120R42U12.1W21三螺杆泵
SNS120R42U12.1W23三螺杆泵
SNE120R42U8W2三螺杆泵
SNE120R42U12.1W21三螺杆泵
SNE120R42U12.1W23三螺杆泵
SNH120R46U8W2三螺杆泵
SNH120R46U12.1W21三螺杆泵
SNH120R46U12.1W23三螺杆泵
SNF120R46U8W2三螺杆泵
SNF120R46U12.1W21三螺杆泵
SNF120R46U12.1W23三螺杆泵
SNS120R46U8W2三螺杆泵
SNS120R46U12.1W21三螺杆泵
SNS120R46U12.1W23三螺杆泵
SNE120R46U8W2三螺杆泵
SNE120R46U12.1W21三螺杆泵
SNE120R46U12.1W23三螺杆泵
SNH120R54U8W2三螺杆泵
SNH120R54U12.1W21三螺杆泵
SNH120R54U12.1W23三螺杆泵
SNF120R54U8W2三螺杆泵
SNF120R54U12.1W21三螺杆泵
SNF120R54U12.1W23三螺杆泵
SNS120R54U8W2三螺杆泵
SNS120R54U12.1W21三螺杆泵
SNS120R54U12.1W23三螺杆泵
SNE120R54U8W2三螺杆泵
SNE120R54U12.1W21三螺杆泵
SNE120R54U12.1W23三螺杆泵
SNH210R40U8W2三螺杆泵
SNH210R40U12.1W21三螺杆泵
SNH210R40U12.1W23三螺杆泵
SNF210R40U8W2三螺杆泵
SNF210R40U12.1W21三螺杆泵
SNF210R40U12.1W23三螺杆泵
SNS210R40U8W2三螺杆泵
SNS210R40U12.1W21三螺杆泵
SNS210R40U12.1W23三螺杆泵
SNE210R40U8W2三螺杆泵
SNE210R40U12.1W21三螺杆泵
SNE210R40U12.1W23三螺杆泵
SNH210R46U8W2三螺杆泵
SNH210R46U12.1W21三螺杆泵
SNH210R46U12.1W23三螺杆泵
SNF210R46U8W2三螺杆泵
SNF210R46U12.1W21三螺杆泵
SNF210R46U12.1W23三螺杆泵
SNS210R46U8W2三螺杆泵
SNS210R46U12.1W21三螺杆泵
SNS210R46U12.1W23三螺杆泵
SNE210R46U8W2三螺杆泵
SNE210R46U12.1W21三螺杆泵
SNE210R46U12.1W23三螺杆泵
SNH210R54U8W2三螺杆泵
SNH210R54U12.1W21三螺杆泵
SNH210R54U12.1W23三螺杆泵
SNF210R54U8W2三螺杆泵
SNF210R54U12.1W21三螺杆泵
SNF210R54U12.1W23三螺杆泵
SNS210R54U8W2三螺杆泵
SNS210R54U12.1W21三螺杆泵
SNS210R54U12.1W23三螺杆泵
SNE210R54U8W2三螺杆泵
SNE210R54U12.1W21三螺杆泵
SNE210R54U12.1W23三螺杆泵
SNH280R43U8W2三螺杆泵
SNH280R43U12.1W21三螺杆泵
SNH280R43U12.1W23三螺杆泵
SNF280R43U8W2三螺杆泵
SNF280R43U12.1W21三螺杆泵
SNF280R43U12.1W23三螺杆泵
SNS280R43U8W2三螺杆泵
SNS280R43U12.1W21三螺杆泵
SNS280R43U12.1W23三螺杆泵
SNE280R43U8W2三螺杆泵
SNE280R43U12.1W21三螺杆泵
SNE280R43U12.1W23三螺杆泵
SNH280R46U8W2三螺杆泵
SNH280R46U12.1W21三螺杆泵
SNH280R46U12.1W23三螺杆泵
SNF280R46U8W2三螺杆泵
SNF280R46U12.1W21三螺杆泵
SNF280R46U12.1W23三螺杆泵
SNS280R46U8W2三螺杆泵
SNS280R46U12.1W21三螺杆泵
SNS280R46U12.1W23三螺杆泵
SNE280R46U8W2三螺杆泵
SNE280R46U12.1W21三螺杆泵
SNE280R46U12.1W23三螺杆泵
SNH280R54U8W2三螺杆泵
SNH280R54U12.1W21三螺杆泵
SNH280R54U12.1W23三螺杆泵
SNF280R54U8W2三螺杆泵
SNF280R54U12.1W21三螺杆泵
SNF280R54U12.1W23三螺杆泵
SNS280R54U8W2三螺杆泵
SNS280R54U12.1W21三螺杆泵
SNS280R54U12.1W23三螺杆泵
SNE280R54U8W2三螺杆泵
SNE280R54U12.1W21三螺杆泵
SNE280R54U12.1W23三螺杆泵
SNH440R40U8W2三螺杆泵
SNH440R40U12.1W21三螺杆泵
SNH440R40U12.1W23三螺杆泵
SNF440R40U8W2三螺杆泵
SNF440R40U12.1W21三螺杆泵
SNF440R40U12.1W23三螺杆泵
SNS440R40U8W2三螺杆泵
SNS440R40U12.1W21三螺杆泵
SNS440R40U12.1W23三螺杆泵
SNE440R40U8W2三螺杆泵
SNE440R40U12.1W21三螺杆泵
SNE440R40U12.1W23三螺杆泵
SNH440R42U8W2三螺杆泵
SNH440R42U12.1W21三螺杆泵
SNH440R42U12.1W23三螺杆泵
SNF440R42U8W2三螺杆泵
SNF440R42U12.1W21三螺杆泵
SNF440R42U12.1W23三螺杆泵
SNS440R42U8W2三螺杆泵
SNS440R42U12.1W21三螺杆泵
SNS440R42U12.1W23三螺杆泵
SNE440R42U8W2三螺杆泵
SNE440R42U12.1W21三螺杆泵
SNE440R42U12.1W23三螺杆泵
SNH440R46U8W2三螺杆泵
SNH440R46U12.1W21三螺杆泵
SNH440R46U12.1W23三螺杆泵
SNF440R46U8W2三螺杆泵
SNF440R46U12.1W21三螺杆泵
SNF440R46U12.1W23三螺杆泵
SNS440R46U8W2三螺杆泵
SNS440R46U12.1W21三螺杆泵
SNS440R46U12.1W23三螺杆泵
SNE440R46U8W2三螺杆泵
SNE440R46U12.1W21三螺杆泵
SNE440R46U12.1W23三螺杆泵
SNH440R54U8W2三螺杆泵
SNH440R54U12.1W21三螺杆泵
SNH440R54U12.1W23三螺杆泵
SNF440R54U8W2三螺杆泵
SNF440R54U12.1W21三螺杆泵
SNF440R54U12.1W23三螺杆泵
SNS440R54U8W2三螺杆泵
SNS440R54U12.1W21三螺杆泵
SNS440R54U12.1W23三螺杆泵
SNE440R54U8W2三螺杆泵
SNE440R54U12.1W21三螺杆泵
SNE440R54U12.1W23三螺杆泵
SNH660R40U8W2三螺杆泵
SNH660R40U12.1W21三螺杆泵
SNH660R40U12.1W23三螺杆泵
SNF660R40U8W2三螺杆泵
SNF660R40U12.1W21三螺杆泵
SNF660R40U12.1W23三螺杆泵
SNS660R40U8W2三螺杆泵
SNS660R40U12.1W21三螺杆泵
SNS660R40U12.1W23三螺杆泵
SNE660R40U8W2三螺杆泵
SNE660R40U12.1W21三螺杆泵
SNE660R40U12.1W23三螺杆泵
SNH660R44U8W2三螺杆泵
SNH660R44U12.1W21三螺杆泵
SNH660R44U12.1W23三螺杆泵
SNF660R44U8W2三螺杆泵
SNF660R44U12.1W21三螺杆泵
SNF660R44U12.1W23三螺杆泵
SNS660R44U8W2三螺杆泵
SNS660R44U12.1W21三螺杆泵
SNS660R44U12.1W23三螺杆泵
SNE660R44U8W2三螺杆泵
SNE660R44U12.1W21三螺杆泵
SNE660R44U12.1W23三螺杆泵
SNH660R46U8W2三螺杆泵
SNH660R46U12.1W21三螺杆泵
SNH660R46U12.1W23三螺杆泵
SNF660R46U8W2三螺杆泵
SNF660R46U12.1W21三螺杆泵
SNF660R46U12.1W23三螺杆泵
SNS660R46U8W2三螺杆泵
SNS660R46U12.1W21三螺杆泵
SNS660R46U12.1W23三螺杆泵
SNE660R46U8W2三螺杆泵
SNE660R46U12.1W21三螺杆泵
SNE660R46U12.1W23三螺杆泵
SNH660R51U8W2三螺杆泵
SNH660R51U12.1W21三螺杆泵
SNH660R51U12.1W23三螺杆泵
SNF660R51U8W2三螺杆泵
SNF660R51U12.1W21三螺杆泵
SNF660R51U12.1W23三螺杆泵
SNS660R51U8W2三螺杆泵
SNS660R51U12.1W21三螺杆泵
SNS660R51U12.1W23三螺杆泵
SNE660R51U8W2三螺杆泵
SNE660R51U12.1W21三螺杆泵
SNE660R51U12.1W23三螺杆泵
SNH660R54U8W2三螺杆泵
SNH660R54U12.1W21三螺杆泵
SNH660R54U12.1W23三螺杆泵
SNF660R54U8W2三螺杆泵
SNF660R54U12.1W21三螺杆泵
SNF660R54U12.1W23三螺杆泵
SNS660R54U8W2三螺杆泵
SNS660R54U12.1W21三螺杆泵
SNS660R54U12.1W23三螺杆泵
SNE660R54U8W2三螺杆泵
SNE660R54U12.1W21三螺杆泵
SNE660R54U12.1W23三螺杆泵
SNH940R42U8W2三螺杆泵
SNH940R42U12.1W21三螺杆泵
SNH940R42U12.1W23三螺杆泵
SNF940R42U8W2三螺杆泵
SNF940R42U12.1W21三螺杆泵
SNF940R42U12.1W23三螺杆泵
SNS940R42U8W2三螺杆泵
SNS940R42U12.1W21三螺杆泵
SNS940R42U12.1W23三螺杆泵
SNE940R42U8W2三螺杆泵
SNE940R42U12.1W21三螺杆泵
SNE940R42U12.1W23三螺杆泵
SNH940R46U8W2三螺杆泵
SNH940R46U12.1W21三螺杆泵
SNH940R46U12.1W23三螺杆泵
SNF940R46U8W2三螺杆泵
SNF940R46U12.1W21三螺杆泵
SNF940R46U12.1W23三螺杆泵
SNS940R46U8W2三螺杆泵
SNS940R46U12.1W21三螺杆泵
SNS940R46U12.1W23三螺杆泵
SNE940R46U8W2三螺杆泵
SNE940R46U12.1W21三螺杆泵
SNE940R46U12.1W23三螺杆泵
SNH940R50U8W2三螺杆泵
SNH940R50U12.1W21三螺杆泵
SNH940R50U12.1W23三螺杆泵
SNF940R50U8W2三螺杆泵
SNF940R50U12.1W21三螺杆泵
SNF940R50U12.1W23三螺杆泵
SNS940R50U8W2三螺杆泵
SNS940R50U12.1W21三螺杆泵
SNS940R50U12.1W23三螺杆泵
SNE940R50U8W2三螺杆泵
SNE940R50U12.1W21三螺杆泵
SNE940R50U12.1W23三螺杆泵
SNH940R54U8W2三螺杆泵
SNH940R54U12.1W21三螺杆泵
SNH940R54U12.1W23三螺杆泵
SNF940R54U8W2三螺杆泵
SNF940R54U12.1W21三螺杆泵
SNF940R54U12.1W23三螺杆泵
SNS940R54U8W2三螺杆泵
SNS940R54U12.1W21三螺杆泵
SNS940R54U12.1W23三螺杆泵
SNE940R54U8W2三螺杆泵
SNE940R54U12.1W21三螺杆泵
SNE940R54U12.1W23三螺杆泵
SNH1300R38U8W2三螺杆泵
SNH1300R38U12.1W21三螺杆泵
SNH1300R38U12.1W23三螺杆泵
SNF1300R38U8W2三螺杆泵
SNF1300R38U12.1W21三螺杆泵
SNF1300R38U12.1W23三螺杆泵
SNS1300R38U8W2三螺杆泵
SNS1300R38U12.1W21三螺杆泵
SNS1300R38U12.1W23三螺杆泵
SNE1300R38U8W2三螺杆泵
SNE1300R38U12.1W21三螺杆泵
SNE1300R38U12.1W23三螺杆泵
SNH1300R42U8W2三螺杆泵
SNH1300R42U12.1W21三螺杆泵
SNH1300R42U12.1W23三螺杆泵
SNF1300R42U8W2三螺杆泵
SNF1300R42U12.1W21三螺杆泵
SNF1300R42U12.1W23三螺杆泵
SNS1300R42U8W2三螺杆泵
SNS1300R42U12.1W21三螺杆泵
SNS1300R42U12.1W23三螺杆泵
SNE1300R42U8W2三螺杆泵
SNE1300R42U12.1W21三螺杆泵
SNE1300R42U12.1W23三螺杆泵
SNH1300R46U8W2三螺杆泵
SNH1300R46U12.1W21三螺杆泵
SNH1300R46U12.1W23三螺杆泵
SNF1300R46U8W2三螺杆泵
SNF1300R46U12.1W21三螺杆泵
SNF1300R46U12.1W23三螺杆泵
SNS1300R46U8W2三螺杆泵
SNS1300R46U12.1W21三螺杆泵
SNS1300R46U12.1W23三螺杆泵
SNE1300R46U8W2三螺杆泵
SNE1300R46U12.1W21三螺杆泵
SNE1300R46U12.1W23三螺杆泵
SNH1300R54U8W2三螺杆泵
SNH1300R54U12.1W21三螺杆泵
SNH1300R54U12.1W23三螺杆泵
SNF1300R54U8W2三螺杆泵
SNF1300R54U12.1W21三螺杆泵
SNF1300R54U12.1W23三螺杆泵
SNS1300R54U8W2三螺杆泵
SNS1300R54U12.1W21三螺杆泵
SNS1300R54U12.1W23三螺杆泵
SNE1300R54U8W2三螺杆泵
SNE1300R54U12.1W21三螺杆泵
SNE1300R54U12.1W23三螺杆泵
SNH1700R42U8W2三螺杆泵
SNH1700R42U12.1W21三螺杆泵
SNH1700R42U12.1W23三螺杆泵
SNF1700R42U8W2三螺杆泵
SNF1700R42U12.1W21三螺杆泵
SNF1700R42U12.1W23三螺杆泵
SNS1700R42U8W2三螺杆泵
SNS1700R42U12.1W21三螺杆泵
SNS1700R42U12.1W23三螺杆泵
SNE1700R42U8W2三螺杆泵
SNE1700R42U12.1W21三螺杆泵
SNE1700R42U12.1W23三螺杆泵
SNH1700R46U8W2三螺杆泵
SNH1700R46U12.1W21三螺杆泵
SNH1700R46U12.1W23三螺杆泵
SNF1700R46U8W2三螺杆泵
SNF1700R46U12.1W21三螺杆泵
SNF1700R46U12.1W23三螺杆泵
SNS1700R46U8W2三螺杆泵
SNS1700R46U12.1W21三螺杆泵
SNS1700R46U12.1W23三螺杆泵
SNE1700R46U8W2三螺杆泵
SNE1700R46U12.1W21三螺杆泵
SNE1700R46U12.1W23三螺杆泵
SNH2200R42U8W2三螺杆泵
SNH2200R42U12.1W21三螺杆泵
SNH2200R42U12.1W23三螺杆泵
SNF2200R42U8W2三螺杆泵
SNF2200R42U12.1W21三螺杆泵
SNF2200R42U12.1W23三螺杆泵
SNS2200R42U8W2三螺杆泵
SNS2200R42U12.1W21三螺杆泵
SNS2200R42U12.1W23三螺杆泵
SNE2200R42U8W2三螺杆泵
SNE2200R42U12.1W21三螺杆泵
SNE2200R42U12.1W23三螺杆泵
SNH2200R46U8W2三螺杆泵
SNH2200R46U12.1W21三螺杆泵
SNH2200R46U12.1W23三螺杆泵
SNF2200R46U8W2三螺杆泵
SNF2200R46U12.1W21三螺杆泵
SNF2200R46U12.1W23三螺杆泵
SNS2200R46U8W2三螺杆泵
SNS2200R46U12.1W21三螺杆泵
SNS2200R46U12.1W23三螺杆泵
SNE2200R46U8W2三螺杆泵
SNE2200R46U12.1W21三螺杆泵
SNE2200R46U12.1W23三螺杆泵
SNH2900R40U8W2三螺杆泵
SNH2900R40U12.1W21三螺杆泵
SNH2900R40U12.1W23三螺杆泵
SNF2900R40U8W2三螺杆泵
SNF2900R40U12.1W21三螺杆泵
SNF2900R40U12.1W23三螺杆泵
SNS2900R40U8W2三螺杆泵
SNS2900R40U12.1W21三螺杆泵
SNS2900R40U12.1W23三螺杆泵
SNE2900R40U8W2三螺杆泵
SNE2900R40U12.1W21三螺杆泵
SNE2900R40U12.1W23三螺杆泵
SNH2900R46U8W2三螺杆泵
SNH2900R46U12.1W21三螺杆泵
SNH2900R46U12.1W23三螺杆泵
SNF2900R46U8W2三螺杆泵
SNF2900R46U12.1W21三螺杆泵
SNF2900R46U12.1W23三螺杆泵
SNS2900R46U8W2三螺杆泵
SNS2900R46U12.1W21三螺杆泵
SNS2900R46U12.1W23三螺杆泵
SNE2900R46U8W2三螺杆泵
SNE2900R46U12.1W21三螺杆泵
SNE2900R46U12.1W23三螺杆泵
SNH3600R46U8W2三螺杆泵
SNH3600R46U12.1W21三螺杆泵
SNH3600R46U12.1W23三螺杆泵
SNF3600R46U8W2三螺杆泵
SNF3600R46U12.1W21三螺杆泵
SNF3600R46U12.1W23三螺杆泵
SNS3600R46U8W2三螺杆泵
SNS3600R46U12.1W21三螺杆泵
SNS3600R46U12.1W23三螺杆泵
SNE3600R46U8W2三螺杆泵
SNE3600R46U12.1W21三螺杆泵
SNE3600R46U12.1W23三螺杆泵
SNH5300R46U8W2三螺杆泵
SNH5300R46U12.1W21三螺杆泵
SNH5300R46U12.1W23三螺杆泵
SNF5300R46U8W2三螺杆泵
SNF5300R46U12.1W21三螺杆泵
SNF5300R46U12.1W23三螺杆泵
SNS5300R46U8W2三螺杆泵
SNS5300R46U12.1W21三螺杆泵
SNS5300R46U12.1W23三螺杆泵
SNE5300R46U8W2三螺杆泵
SNE5300R46U12.1W21三螺杆泵
SNE5300R46U12.1W23三螺杆泵
七、性能参数下载：
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