Others have articulated joints attaching them to the logging tool, with a backup arm to press the pad against the borehole wall.
另有一些极板需要使用连接装置才能和下井仪器相连，测井时需要使用推靠臂才能紧贴井壁。
Rick stays at the van to backup Jack but gets clipped in the arm.
里克在车旁边为杰克作支援，但是一只手臂上被射中了一枪。
Rick stays at the van to backup Jack, but gets clipped in the arm.
里克在车旁边为杰克作支援，但是一只手臂上被射中了一枪。
应用推荐