基本解釋[經(jīng)濟學]伸縮懸桿英漢例句雙語例句A horizontal smoke pipe adopts a spring suspender and a central roller support, and the friction resistance generated by the thermal expansion the pipe when moving is reduced.水平菸琯採用彈簧吊、中心滾動支座，可減少琯道熱膨脹移動時的摩擦阻力；ip.comexpansion suspender更多例句詞組短語短語expansion n suspender 伸縮懸桿expansion space suspender 伸脹懸桿expansion suspender更多詞組專業(yè)釋義經(jīng)濟學伸縮懸桿