Oil pump drive chain sprocket is pressed onto the front of the crankshaft.
油泵驱动链轮上按下了曲轴的前面。
Magnetic coupling pump drive motor can play a role in overload protection.
泵的磁性联轴器可以对传动电机起到超载保护的作用。
The oil pump drive gear oil seal is damaged, the air into the hydraulic system;
油泵主动齿轮油封损坏,空气进入液压系统;
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