英语词汇emergency extension system怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	emergency extension system
释义	emergency extension system 简明释义应急放下系统网络释义 1 ?应急放下系统 ... elevator capture 电梯专用<使呼电梯按钮无效 emergency extension system 应急放下系统 dunnage 衬板 ... 2 ?紧急放下系统 ... extend/retract the gear 放下/收起落架 emergency extension system 紧急放下系统 crank the gear down 人工放下起落架 ... 短语 1 Main gear emergency extension system 主起落架紧急 2 Gear emergency extension system 起落架应急展开系统双语例句 1 An emergency extension system extends the gear mechanically if hydraulic or electrical power is lost. 如果液压系统或者电源出现故障，应急放出系统会靠重力机械地放出起落架。 2 Developing an efficient Railway Emergency Communication System was important to reduce the loss of accident, prevent the extension from the disaster. 开发高效的铁路应急通信系统有利于减少事故损失，防止灾害扩大，这对于保障铁路的运输安全是至关重要的。
随便看	dock boss dock bottom dock brief dock bumper dock caisson dock cargo dock cargo ship dock cell dock cenlerline dock centerline dock chamber dock charge dock charges dockcharges dock charges dock charter dock closing dock company dock connector dock cope dock crane dock-cress dock diagnosis dock doors dock drainage tunnel

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