All rig personnel should familiarize themselves with the location of high pressure lines.

所有井队人员，都应当熟悉他们自己与高压管线的定位。

youdao

All rig personnel should familiarize themselves with the location of high pressure lines.

所有井队人员，都应当熟悉他们自己与高压管线的定位。

youdao