twin-screw w pump双螺杆泵
twin-screw multiphase pump双螺杆混输泵
Twin-screw vacuum pump双螺杆真空泵
Down-hole twin-screw pump井下双螺杆泵
electric submersible twin-screw pump电动潜油双螺杆泵
In a newly down-hole driven twin-screw pump, the double circular arc gears, which make the twin-screws run simultaneously and realize power split, are the key components in determining the working capacity of a pump.
在新型井下驱动双螺杆泵中，实现两个螺杆同步运转和功率分流的双圆弧齿轮是决定泵工作能力的关键部件。
参考来源 - 非常规条件下双圆弧齿轮传动工作能力研究