残渣
... remainder mountain环蚀山 remainder of a series级数的余部 remainder slag残渣 ...
通常表现是切割射流的吹力减弱,切口下部残留的熔渣增多,上部边缘过熔而出现圆角等。
The slag from power plants is a mixture of the remainder of the completely burnt coal and the partly burnt coal, which can neither be used as fuel, nor be used as raw material for cement industry.燃煤火力发电厂炉渣是燃烧完全的灰烬与燃烧不完全的煤块组成的混合物。