因此对油田压裂施工车辆的安全管理是井下公司势在必行的措施。

Therefore, safety management of vehicle is the imperative measure of downhole company.

youdao

因此对油田压裂施工车辆的安全管理是井下公司势在必行的措施。

Therefore, safety management of vehicle is the imperative measure of downhole company.

youdao