红炉火 Stove fire
红炉雪 lameihuaerkai
真金不怕红炉火 Action speaks louder than words
红外线炉 infrared furnace ; infrared oven ; infrared heating furnace
红外线干燥炉 infrared drying even ; infrared-ray drying oven ; infra red stove ; ray drying oven
远红外烘烤炉 far-infrared baking oven ; infrared baking oven
红外炉 infra-red furnace ; Dorala
远红外线烤炉 far-infrared roasting oven ; infrared roasting oven
我们的“红炉”烤箱可以远溯到两千多年前的中国汉朝（公元前206-公元20年），其内部热量完全来自于原木及稻草的燃烧与烟熏。
Our ovens can be traced to the Han Dynasty(206 B. C. to A. D. 20). The heating source, natural smoke and heat, is derived from split oak or seasoned wood.
当用彩色CCD摄像机摄取煤粉炉内火焰辐射图像时，实际上获得的是红、绿、蓝三基色波长下的单色辐射图像。
Three monochromatic images of red, green and blue can be acquired when flame images in furnaces are captured by color CCD cameras.
当我锻炼钢铁的时侯，我先把它在炉中烧红，然后用铁锤锤它，又忽然把它投入一桶冷水中。
When I am tempering a piece of steel, I first heat it, hammer it, and then suddenly plunge it into this bucket of cold water.
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