英语词汇“safety ladder, emergency ladder”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	safety ladder, emergency ladder
释义	safety ladder, emergency ladder 安全梯; 立井凿井时，悬吊于井筒工作面上方，供紧急情况下人员安全升井的金属梯。
随便看	corona power loss corona prevention corona preventive screen corona printer corona-proof corona proof cable corona-proof cable corona-proof coil corona-proof insulation corona protected technique corona protection corona-protective varnish corona pulse corona pulse analyzer corona quenching effect corona radiata coronaradiata Corona radiata of internal capsule corona radiate corona radiate of ovum corona radiate sign corona radiation corona removing enzyme corona resistance corona-resistant

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