名词
中文翻译：向上作用的门同义词
同义词：
['upward-acting mechanism', 'upward-acting system']
例句：
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1. The elevator has an upward-acting door that can be opened manually.
电梯有一个可以手动打开的向上作用的门。
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2. The machine is designed with an upward-acting door to prevent the operator from being injured.
这台机器设计有向上作用的门，以防止操作员受伤。
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3. The new design of the car features an upward-acting door for easy access to the trunk.
新款汽车的设计中包含了一个向上作用的门，便于轻松开启后备箱。