C 开头单词
closed-in adj.封闭的，关闭的
closed-ended question 闭合问题；封闭式问题
closed-ended adj. 封闭端的；封闭式的
closed-door meeting 秘密会议
closed-cycle cryogenic refrigerator [交通运输工程]闭合循环致冷器
closed-crack 闭合裂纹
closed-circuit television monitor [机械工程]闭路电视监察器
closed-circuit television 闭路电视
closed-circuit nozzle [交通运输工程]闭循环式喷嘴
closed-circuit connection 闭路接线法
closed-circuit adj.闭路式的
closed-chain hydrocarbon [经济学]闭键烃[能源科学技术]闭链烃
closed-casket （葬礼上棺材盖上、看不见死者遗容的）闭棺的。
closed-captioned adj.有闭路字幕的
closed-book exam [政治学]闭卷
closed wet dressing [医药科学]封闭性湿敷
closed void area ratio [计算机科学技术]封闭空体面积比[机械工程]封闭空体体积