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	swing bearing swingbeat swing beater grinder swing-beater pulverizer swingbeats swing bed swing beds swing behind swing bell swing bell net swing bend pipe swing between swing bevel gear swing beyond swing bin swingbin swing-bin swing bins swingbins swing block swing block four bar linkage swing block linkage swing bloster swingboat swing-boat

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