基本解釋[交通運(yùn)輸工程]變速桿詞組短語短語marine gear directional control lever 船用齒輪方曏操縱桿landing gear control lever 起落架手柄gear control lever ball handle 變速桿球頭手柄gear control lever更多詞組專業(yè)釋義交通運(yùn)輸工程變速桿