常見例句Check power tongs and spinning rope are on drill floor. 檢查動(dòng)力鉗和尾繩是否在鑽。Start the hydraulic unit for the power tong, please. 請(qǐng)起動(dòng)液壓大鉗動(dòng)力裝置。ZQ203/100 drill power tong is a new type of mechanize tool on drilling floor. ZQ203/100鑽桿動(dòng)力鉗廣泛用於石油鑽井的起下鑽桿作業(yè)。This paper is a part of research on a development drill pipe power tongs in well. 該方法對(duì)提高油井鑽桿動(dòng)力鉗的設(shè)計(jì)傚率和設(shè)計(jì)水平具有重要意義。Automated Power Tongs Provide Safer, More Efficient Operation 自動(dòng)動(dòng)力大鉗保証施工作業(yè)更加安全高傚The king was shorn of his power by his nobles. 國王被手下的貴族們剝奪了權(quán)力。 返回 power-tongs