在碳黑色厂工人。
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。
Since 2000, we have recycled carbon black off-gas instead of raw coal as fuel for coal tar process and power plant.
从2000年起将炭黑尾气全部回收作为煤焦油加工生产线和发电厂锅炉用燃料，代替原煤。
Subordinate enterprises the Wenzhou Best Fine Pigments Co. , Ltd. and Jinbaicai carbon black pigments plant.
下属温州市百色得精细颜料化工有限公司和金百彩色素炭黑厂等控股企业。
Subordinate enterprises the Wenzhou Best Fine Pigments Co. , Ltd. and Jinbaicai carbon black pigments plant.
下属温州市百色得精细颜料化工有限公司和金百彩色素炭黑厂等控股企业。
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