... coal-tar gas 煤焦油煤气 coal-tar dye 柏油染料 coal-tar epoxy 环氧煤焦油 ...
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coal tar dye [染料] 煤焦油染料
basic coal tar dye 碱性煤碱染料
coal tar-dye 煤集油染色剂
acidic coal tar dye 酸性煤
soluble coal tar dye 释义水溶性煤焦油染料
watersoluble coal tar dye 水溶性煤焦油染料
water-soluble coal tar dye 水溶性煤焦油染料
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Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857.
煤焦油是伦敦煤气道路照明几乎无限的副产物，利用便宜量大的煤焦油，染厂于1857年开始生产世界上第一种合成染色材料。
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