Warning: entire pump must be shut off before adjusting the packed plunger side or bodily injury could result.

警告：调整密封活塞时泵必须关闭，否则容易受伤。

youdao

Warning: entire pump must be shut off before adjusting the packed plunger side or bodily injury could result.

警告：调整密封活塞时泵必须关闭，否则容易受伤。

youdao