名词
中文翻译：平衡杆
同义词：
['balancer', 'counterpoise']
例句：
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1.The balancer on the scale is off, causing the weight to be read incorrectly.
秤上的平衡器出了问题，导致重量读数不正确。
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2. The counterpoise was designed to balance the ship during high winds.
这个配重装置设计用来在大风中保持船只平衡。
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3. The engineer carefully balanced the weights to ensure stability.
工程师仔细调整了重量以确保稳定性。