名词
中文翻译：平衡杆
同义词：
['balanced lever', "counterbalanced lever例句：1. The balance of power is crucial for the stability of a country's government.（权力平衡对于国家政府的稳定性至关重要。）2. The engineer used a balanced lever to lift the heavy object.（工程师使用一个平衡杆来举起重物。）"]
例句：
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1. The balance of power is crucial for the stability of a country's government.
权力平衡对于国家政府的稳定性至关重要。
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2. The engineer used a balanced lever to lift the heavy object.
工程师使用一个平衡杆来举起重物。
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3. The new design uses a balanced lever to reduce friction and increase efficiency.
新设计使用了平衡杆来减少摩擦并提高效率。