周围环境环境的  AMA

半密闭环境  part-obturated situation

闭塞的  occlusive; ungated

部分前循环闭塞  Partial anterior circulation

电路群闭塞的请求  Circuit Group Blocking Request CGB

阀的闭塞  gag

封闭环境  enclosed field; enclosed environment; closed environment; Sealed environment

环的闭合  ring closure

基于第三方回收商回收模式的闭环供应链  tpt-clsc

开环(闭环)线路  Open(Closed) loop

开环-闭环基音提取  open-loop and close-loop pitch extraction

密闭环境  hermetic environment; closed environment

狭小密闭环境  limited and closed environment

活塞环的安装工具  piston ring installation tool

活塞环的移动  piston ring travel

旋塞的塞子  plug of cock

拥塞环境  dense crowded scene

A内陆水域的环境无害管理  EMINW

CCT国际环境的优化  optimization of CCT international environment