名词
中文翻译：顶部平衡器
同义词：
['topping', 'top weight例句：1. The engineer carefully adjusted the top ballast to ensure stability.（工程师仔细调整顶部配重以确保稳定性。）']
例句：
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1. The engineer carefully adjusted the top ballast to ensure stability.
工程师仔细调整顶部配重以确保稳定性。
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2.The car's top ballast was removed for maintenance.
为了维护，汽车的顶部配重被移除了。
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3.The top ballast is crucial for maintaining the vehicle's balance.
顶部配重对于保持车辆平衡至关重要。