封闭: seal off; seal空: leave empty or blank; empty; ...区: H region; H不封闭空隙: don't close gaps封闭空间: enclosed space; enclosure space封闭空气: occluded air封闭空间火灾: enclosure fire封闭空气间层: air space insulation清吹封闭空间: purging enclosure竖井封闭空间: shaft enclosure地下的封闭空间: enclosed space under the ground封闭空间火灾模型: enclosure fire model屋顶下封闭空间: blind attic封闭空间的进入和援救: confined-space entry and rescue空区: gap; sap; skip area闭空间: closed space采空区: [采矿工程] goaf; gob; stull; learies; worked-out section防空区: ada air defence area; air defense area; air defense district; air defense region真空区: airless space; empty space; region of no pressure密闭空间: confined space圈闭空间: sheltered space弱闭空间: weakly closed space封闭: 1.(密闭;关住使不能通行) seal off; seal (up) 用蜡封闭瓶口 seal a bottle with wax;被严密封闭be kept tightly sealed; 封闭机场 close an airport; 封闭的市场 self-enclosed market2.(查封) close (down) 一家出版社被封闭了。 one publishing house was closed down采空区充填: goaf filling; goaf stowing; gob stowing采空区臭味: gob stink