名词
中文翻译：锅炉额定值
同义词：
['boiler capacity', 'boiler efficiency']
例句：
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1.The new boiler has a higher rating than the old one.
新锅炉的额定值比旧的要高。
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2. The boiler's rating is based on its size and efficiency.
锅炉的额定值是根据其大小和效率来确定的。
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3. The engineer rated the system for efficiency before installing it.
工程师在安装系统之前对系统进行了效率评级。