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	set point signal set point station set point tap setpoint temperature set point temperature set-point temperature set-point temperature, T-set set point tracking set point value set-point value set point variation setpoirt setport setpos set position set post setprecision set preference set preferred set prescription set pressure set-pressure set pressure for safety valve set pressure of safety valve set pressure test

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