名词
中文翻译：反折翼关节
同义词：
['counter-flap', 'counter-hinged']
例句：
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1.The car's rear door has a counter-flap hinge that allows for easy opening and closing.
这辆车的后门有一个反折翼关节，可以轻松打开和关闭。
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2. The new design uses a counter-hinged mechanism to make the doors more secure.
新设计使用了反折翼机制，使门更加安全。
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3. The counter-flap hinge was designed to provide better support for the heavy luggage.
反折翼关节的设计是为了更好地支撑沉重的行李。