positive-dispacement pump

The serials of 135 three screw pump is the positive displacement pump with high technica.

135型三螺杆泵[1]是一种技术含量相当高的容积式泵。

Efflux pump system is one of resistance mechanisms to quinolones of KPn. Producing ESBLs will not increase the positive rate of efflux pump in KPn. 3.

外排泵为肺炎克雷伯菌对喹诺酮类的一种耐药机制，产ESBLs不会增加KPn的外排泵阳性率。

Usage and Maintenance of Piston Pump for Hydraulic Positive Pole Changing Device

全液压更换阳极装置柱塞泵的使用与维修

Result Time of injection is shorten, tumescent liquid is enough and wellbalanced, anesthesia effect is positive, negative press of pump is power, amount of fat is more, result is good.

结果注液过程缩短，肿胀液充分、均匀，麻醉效果肯定，负压泵吸力大，抽脂量多，术后效果肯定。