名词
中文翻译：门降机制
同义词：
['door lowering mechanism', 'door opening mechanism']
例句：
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1. The gate-lowering mechanism is designed to allow people to enter the building without having to push a button.
这个门降机制的设计是为了让人们不用按按钮就能进入大楼。
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2.The new security system uses a gate-lowering mechanism that requires a fingerprint scan before access.
新的安全系统使用了需要指纹扫描才能进入的升降门机制。
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3. The engineers worked tirelessly to develop a gate-lowering mechanism that could withstand heavy winds and rain.
工程师们努力不懈地开发了一个可以抵抗强风和暴雨的门降机制。