炭黑厂
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HEBEI SHAHE CARBON BLACK PLANT 公司全称
PANZHIHUA QIANJIN CARBON BLACK PLANT 公司全称
plant for carbon black 炭黑污水
treatment plant for carbon black 炭黑污水处理
Worker at carbon black plant.
在碳黑色厂工人。
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Photo by Worker at carbon black plant John Vachon.
工人摄于炭黑厂约翰瓦谢。
Carbon black scrubber is an important equipment in synthetic ammonia plant in which residual oil is used as raw material to produce synthetic gas.
炭黑洗涤塔是渣油制氢生产合成氨装置中的一个重要设备。
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