动词短语
中文翻译：提高电压
同义词：
['raise', 'increase']
例句：
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1. The power supply has stepped up thevoltage to meet the increased demand.
电力供应已经提高了电压以满足增加的需求。
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2. The newcircuit board requires a higher voltage for optimalperformance.
新的电路板需要更高的电压以获得最佳性能。
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3. The engineers are stepping upthe voltage to test the new system.
工程师们正在提高电压来测试新系统。