名词中文翻译
中文翻译：高频预热器
同义词：
['high-frequency heater', 'high-frequency furnace']
例句：
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1. Thehigh-frequency preheater is used to heat up the metal before it is machined.
高频预热器用于在金属加工前加热金属。
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2. The high-frequency preheater helps to improve the quality of the metal.
高频预热器有助于提高金属的质量。
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3.The high-frequency preheater is an essential tool for metalworking.
高频预热器是金属加工的必备工具。