片语
self-sustaining laryngoscope支撑喉镜
self-sustaining gear自动制动机构
self-sustaining structure自稳结构
self-sustaining heigh自立高度
Self-sustaining ship有装卸设备的集装箱船
self-sustaining population自立的族群
self-sustaining reactor自持堆
self-sustaining speed自持转速
self-sustaining fund自给资金