closed outv.抛售(停业)closedadj.关闭的；封闭的；停业的动词close的过去式和过去分词.closed planetary gear train封闭式行星轮系Closed epicyclic gear train复合轮系Closed fracture of mandible下颌骨闭合性骨折Closed dislocation of elbow肘闭合性脱位closed nonteractive formula[计] 闭型非交互公式closed endotracheal suction密闭式吸痰closed-conduit hydraulics暗渠水力学closed-loop accelerometer闭环加速度计closed-cycle refrigerator闭合循环冷藏库(电冰箱)closed electrolysil circuit闭路电解系统