吊杆头装置的英文

• derrick capiece
• derrick head fitting
• derrick heading fitting

• 吊杆    boom; hanger rod; sag tie; s ...
• 头    5点就得动身 have to start before ...
• 装置    installation; device; appara ...
• 吊货杆端部金属箍吊杆头装置    derrick cap piece; derrick capiece
• 吊杆头    davit head; derrick head
• 吊杆端吊杆头    derrick head
• 吊杆头滑车    derrick head block
• 插头装置    plug device
• 磁头装置    magnetic head assembly
• 弹头装置    warhead installation
• 弹头装置箱    warhead container
• 换顶头装置    plug changer; plugchanger
• 激光头装置    laser head assembly; laserheadassembly
• 接头装置    piecing devices
• 生头装置    end put-up device; spinning-in system; yarn end fastening device
• 双驴头装置    dual horsehead unit
• 套管头装置    casing head plant
• 直头装置    tail forming device
• 轴头装置    boom attachment
• 吊杆头跨绳滑车    derrick head span block
• 吊杆头起货滑车    derrick head cargo block
• 吊杆头起重滑车    derrick head cargo block
• 带卷直头装置    coil opener; tail puller; tail stripper
• 电缆接头装置    cable-joining gear
• 电压抽头装置    voltage tapping device