部电价制 two-part tariff: 两步收费; 与二重价two rate tariff: 双资费率rate tariff: 运费价目表; 运贵价目表; 运价本tariff rate: 关税比率; 关税率; 规定费率; 协定费率t tariff: 班轮运价表下载手机词典可随时随地查词查翻译