名词
中文翻译：电压分级
同义词：
['voltage rating', 'voltage classification']
例句：
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1.The power company needs to ensure that all equipment is properly rated for the maximum voltage it will be subjected to.
电力公司需要确保所有设备都适当地为最大电压进行评级。
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2. The new transmission line will have different voltage gradations to cater for different regions.
新输电线路将有不同的电压等级，以适应不同地区的需求。
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3. Voltage grading helps to prevent overloading and potential damage to electrical equipment.
电压分级有助于防止过载和对电气设备的潜在损害。