短語詞組短語customs import duty 海關進口關稅;入口關稅customs s duty 關稅customs s duty rate 關稅稅率at the customs customs duty 關稅autonomous customs duty [稅收]自主關稅exemption from customs duty [稅收]關稅豁免;免征關稅customs duty territory 關稅地區(qū)exempt from customs duty [稅收]免關稅customs duty for carbon 碳關稅 返回 customs duty