基本解釋罐車；拖罐車（等於tank truck）英英字典柯林斯英英字典 a form of railway wagon carrying a tank for the transport of liquids tank wagon劍橋字典tank wagon柯林斯字典專業(yè)釋義能源科學技術油罐車油槽車罐櫃車交通運輸工程牽引槽車罐車經濟學鉄路油槽車