closed die封闭模,闭合模,模锻模,闭式冲模closedadj.关闭的；封闭的；停业的动词close的过去式和过去分词.closed shelter-decker封闭式遮蔽甲板船closed iron transformer闭磁路变压器, 闭铁心变压器closed world assumption闭型世界假定closed end catheter tip末端无孔导管Closed Frequent Pattern闭合频繁模式closed pleural drainage胸腔密闭引流closed solubility curve密闭溶度曲线closed-cooling system封闭式冷却系统closed-chain compound[医] 闭链化合物closed-shop agreement要求某一类职工为特定工会会员的集体协议