?闭路筛
... closed-circuit television 闭路电视 ; 有线电视 ; 闭路电视监控系统 ; 闭路式电视 closed-circuit screen 闭路筛 closed-circuit grinding 闭路研磨 ...
The rooms are designed like upgraded 1950s bomb shelters, with air filters to screen out biological agents, dedicated phone lines, bathrooms and closed-circuit TV systems.
FORBES: Magazine Article
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。