采油压活塞式。出力大，扬程高，可输迭低坍度水泥。

It is designed with hydraulic pistons, powerful output, high lifting stroke and available to convey low falloff cement.

youdao

采油压活塞式。出力大，扬程高，可输迭低坍度水泥。

It is designed with hydraulic pistons, powerful output, high lifting stroke and available to convey low falloff cement.

youdao