英语词汇“smoke door”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	smoke door
释义	smoke door smoke door In the roof of a theater, above the gridiron, a door which opens automatically in case of fire or when a release line is cut; confines the smoke to the backstage area.
随便看	protozoology protozoon protozoonite protozoons protozoophage protozoä protp protrachaeta protracheata protract protracted protracted anaphylaxis protracted labor protractedly protracted meeting protractedness protracted offensive electronic warfare protracted refugee and displaced person operations protracted regressive ischemic neurologic disorders protracted relief and recovery operation protracted transient ischemic attack protracter protractible protractiblely protractile

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