customs procedures短语¹⁴⁴⁹⁷²⁺² 基本例句 海关手续 Enterprises directly performing the customs procedures for imports and exports and customs formalities applicable to incoming and outgoing means of transport; 第二条本规定所称的“报关单位”， 是指： 1直接向海关办理进、出口货物和进、出口运输工具报关手续的企业； pkulaw