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	partial prolapse partial property partial proportional symbol partial propositional calculus partial protection partial protein partial prothrombin time partial pseudoprecocity partial psychogenia partial pulpectomy partial pulpitis partial pulpotomy partial pulse partial pump partial-purified partial pyritic smelting partial quadtree partial qualitative change partial quantitative change partial quasi-group partial quenching partial quendching partial question partial quotient partial racemate

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