您要查找的是不是：
- manual rotary pump 手动回转泵
- Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump. 适用酸（除发烟硫酸外）碱，，氨，蒸气，油品，有机溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密封。
- Sliding vane rotary pump is a kind of product with producing in enormous quantity and widely being used in such industries as metallurgy, medicine, chemical, electron and so on. 摘要旋片真空泵是真空行业量大面广的产品，广泛应用于冶金、医药、化工、电子等行业。
- The structural characteristics of heat pumps:From the pump, gear, bearing seats, valve, bearing and seal unit with horizontal rotary pumps. 高温泵的结构特点:由泵体、齿轮、轴承座、安全阀、轴承及密封装置组成的卧式回转泵。
- Design Calculation of Cycloid Rotary Pump 摆线转子泵的设计计算
- Eccentric rotary pump with elastic ring 带柔性环的偏心滚柱泵
- Eccentric rotary pump with sliding sleeve; 滑履式泵;
- manual rotary ( drum)pump 手动回转泵
- Making small models requires manual skill. 制作小模型要手巧。
- Work done by machines has replaced manual labour. 机器生产已经代替了手工劳作。
- manual rotary (drum)pump 手动回转泵
- Having seen the manual, he pick the extinguisher. 看完了说明书，他拿起了灭火器。
- This manual is full of useful tips. 这本小册子里有很多实用的小建议。
- The Structural Principle of Rotary Pump and Its Maintenance 转子泵结构原理及维护
- We should not look down on manual labor. 我们不应该轻视体力劳动。
- positive displacement self-priming progressive cavity rotary pump 正排量自吸分级腔螺旋形迥转泵
- The gardener asked me for a rotary lawn mower. 园丁向我要一台旋转式割草机。
- He's as tender as a chicken and not up to hard manual work. 他吃不了苦，胜任不了艰苦的体力劳动。
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Building model and simulation of submarine rotary pump torpedo launch system 旋转泵式鱼雷发射系统建模与仿真
