outer ear外耳outeradj.外部的；外面的Outer end of the cone锥体外端outer hand wheel stop外手轮止杆outer-belt asteroid外带小行星outer ring of bearing轴承外圈outer space ecosystem太空生态系统outer detection limit最大探测距离OUTER TIE ROD JAM NUT拉杆外侧保险螺帽outer supporting cell外支持细胞outer phalangeal cell外指状细胞outer diaphragm joint外隔板式节点