气力 气力的英文 英语翻译 effort; energy; pep; strength 拓展翻译 气力泵air-powered pump气力冲射器air ejector气力传送管pneunatic tube气力传送器pneunatic carrier气力锤pneunatic power hammer气力打椿机pneunatic driver气力吊车pneunatic hoist气力分级器pneumatic classifier气力缝锤pneunatic气力工具pneunatic tool气力滑件airportage气力夹air clamp气力减震器pneumatic shock absorber气力起重机pneunatic crane气力倾卸车air dump car气力煞车pneunatic brake气力升降机airlift气力输送pneumatic transmission气力天平aerodynamical balabce气力压机pneunatic press