Adjust the balance are three unit block.
三是调整抽油机平衡块。
The invention simultaneously provides equipment using the engine body or the dynamic balance slide block.
本发明同时提供使用上述机体或者动平衡滑块的设备。
The invention simultaneously provides equipment using the engine body or the dynamic balance slide block.
本发明同时提供使用上述机体或者动平衡滑块的设备。
应用推荐