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Pitch Coal

沥青褐煤

1、沥青煤

... 星状沥青煤 stellarite 沥青煤，烟煤 pitch coal 高沥青煤 high bituminous coal ...

2、烟煤

... pitch 螺距、节距、齿距 pitch coal 烟煤、沥青煤 pitch diameter 齿轮节圆直径、中径、节径 ...

3、焦油煤

...火油 [方言] (煤油) kerosene焦油煤 pitch coal油煤气 oil gas ...

pitch h coal沥青煤

coal pitch[材] 煤沥青;煤焦涩青;煤沥青

coal pitch felt煤沥裔油毡

brown coal pitch翻译

coal pitch oil slurr煤沥青油浆

coal pitch powder煤沥青粉

coal pitch spheres煤沥青球

coal pitch enamel煤焦油沥青漆

epoxy coal pitch环氧煤沥青

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