短語詞組短語offshore well -servicing rig 海上修井機具Drilling and well -servicing structures 鉆井和油井輔助裝置packaged well servicing system 組裝式修井設備well servicing unit 修井機tubing well servicing operation 過油管修井作業(yè)Well Completion & Servicing 礦井的完成及服務well servicing tool 大修工具 返回 well servicing