... helical gear pump斜齿齿轮泵; helical rotor pump单螺杆泵; hermetic screw pump密闭式螺杆泵; ...
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... 单流道叶轮泵； single channel impeller pump 单 螺杆泵； helical rotor pump 单 螺杆泵； mono pump ...
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helical rotor pump coupling 单螺杆泵联轴器
eccentric helical rotor pump 偏心螺旋转子泵 ; 偏心螺杆泵
helical rotor type pump 螺旋转子式泵
The rubber in a helical rotor pump stator is a key element to decide its life and efficiency.
单螺杆泵定子橡胶是决定泵寿命和效率的关键部件。
The technology of manufacture about helical rotor is vital to the manufacture of various helical poles, such as helic-borer and helic-pump.
螺旋转子制造技术是各种螺旋杆机械如螺旋杆钻具、螺旋泵等设备制造中的一项关键技术。
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