名词
中文翻译：回火炉
同义词：
['reciprocal grate', 'reciprocating furnace']
例句：
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1. The reciprocating grate is used to heat the water for cooking.
往复式热交换器用于加热水以烹饪。
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2.The reciprocating grate is a common feature in many kitchens.
往复式热交换器是许多厨房的常见特征。
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3. The reciprocating grate helps to distribute the heat evenly across the surface of the pan.
往复式热交换器有助于均匀地将热量分布在锅的表面。