《石油工程专业英语》P91 Please pair off following. drilling mud 钻井井场 drilling platform 钻井泥浆 drilling site 钻井平台 drilling rig 钻机 drilling line 车载式钻机 directional drilling 游动钢丝绳 offshore drilling 顿钻 pneumatic drilling 旋转钻井 cable tool drilling 定向钻井 rotary drilling 海上钻井 truck-mounted rig 风钻(空气钻井) hoisting system 旋转系统 rotating system 提升系统 mud circulating system 动力系统 engine system 泥浆循环系统