directional turbodrill定向: directional; orient; orienta ...涡轮: turbine; worm wheel钻具: drilling tool; drilling rig涡轮钻具: hydraulic thrust boring machine; turbine drill; turbine motor; turbodrill; vane borer地热涡轮钻具: geothermal turbodrill下载手机词典可随时随地查词查翻译
