名词
中文翻译：重量保持者
同义词：
['weight maintainer', 'weight sustainer']
例句：
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1.The engineer is responsible for the weight of the machine.
这位工程师负责机器的重量。
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2. The weight holder must be able to support the weight of the equipment.
重量保持者必须能够支撑设备的重量。
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3. The weight holder was designed to prevent overloading.
重量保持器被设计来防止超载。