名词
中文翻译：炉床
同义词：
['furnace bed', 'furnace floor', 'furnace top']
例句：
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1. Theengineer inspected the furnace bed before startingthe operation.
工程师在开始操作之前检查了炉床。
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2. The furnace bed was coveredwith a layer of ash.
炉床被一层灰烬覆盖。
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3. Thefurnace bed is essential formaintaining the temperature in the furnace.
炉床对于保持炉内温度至关重要。