名词短语
中文翻译：电表的等级
同义词：
['electricmeter grade', 'meter grade例句：1. The new model electricmeter is more accurate than the oldone.（新款电表比旧款更精确。）']
例句：
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1. The new model electricmeter is more accurate than the oldone.
新款电表比旧款更精确。
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2. The company has introduced a new gradeof electric meter to meet the needsof different customers.
公司推出了一款新的电表等级，以满足不同客户的需求。
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3. The newgrade of electric meter has been testedand proven to be reliable.
新推出的电表等级经过测试并证明是可靠的。