driving sheave
英
美
网络 曳引轮
双语例句
- This generator supplies power with the SPWM power source of frequency conversion directly drives the drag of driving sheave to draw sucker rod and matches weight, being completed to take out oil demerit.
该电机采用SPWM变频电源供电，直接带动曳引轮曳引抽油杆和配重，完成抽油做功。