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- positive rotary pump 正旋转式泵
- 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。
- positive displacement self-priming progressive cavity rotary pump 正排量自吸分级腔螺旋形迥转泵
- 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
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- Eccentric rotary pump with sliding sleeve; 滑履式泵;
- The Structural Principle of Rotary Pump and Its Maintenance 转子泵结构原理及维护
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- The gardener asked me for a rotary lawn mower. 园丁向我要一台旋转式割草机。
- This charge is a positive charge. 这个电荷是正电荷。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- 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
- Can you be positive about what you hear? 你对听到的话有把握吗？
- He has a positive attitude towards life. 他对生活持有积极的态度。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- GBC rotary pump and its application in super heavy oil transportation GBC型转子泵及其在超稠油输送中的应用
