名词
中文翻译：弹簧重物
同义词：
['spring weight', 'spring-loaded device']
例句：
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1. The spring-weighted door is designed to open easily with a push of a button.
这个弹簧重物门设计成可以用按钮轻松打开。
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2. The spring-weighted weights are used in the construction of buildings to provide stability.
弹簧重物用于建筑施工中，提供稳定性。
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3. The spring-weighted system is designed to prevent accidents by automatically locking doors when they are opened.
弹簧重系统设计成在门被打开时自动锁定，以防止事故。