The existence forms of oil waste water in railway diesel locomotive terminal, steam locomotive terminal and rolling stock depot have been studied by gravimetric method and ultraviolet spectroscopy.
用重量法和紫外分光光度法研究了铁路内燃机务段、蒸汽机务段和车辆段含油废水中油的形态分布规律。
SY steam locomotive is the breadwinner of HISGC in the railway transportation between the 1970s and 90s, which has made great contribution to the transportation for the steel and iron production.
上游型蒸汽机车是上世纪70年代至90年代杭钢铁路运输的主力机车，为钢铁生产的运输作出了巨大贡献。
SY steam locomotive is the breadwinner of HISGC in the railway transportation between the 1970s and 90s, which has made great contribution to the transportation for the steel and iron production.
上游型蒸汽机车是上世纪70年代至90年代杭钢铁路运输的主力机车，为钢铁生产的运输作出了巨大贡献。
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