含碳的铌合金,若在高温下受氧沾污,易产生脱碳现象.In niobium alloy containing carbon occurs decarburization in case of contamination by oxygen at higher temperature.含%碳的钢(铁碳混合物的低共熔点),含%碳的碳钢是纯珠光体.A mixture of ferrite cementite forming distinct la...
这幢楼刷的是浅灰色的灰泥,看上去有些陈旧。The building was of greyish plaster and looked old.他在衬衫外面套了一件浅灰色西装。He was wearing a light-grey suit over a shirt.她穿了身朴素的浅灰色两件式套装。She was wearing a simple light-grey two-piece suit....