The process adopts low temperature pressing process to produce chocolate-like pitch, by which the pitch fume pollution problem has been thoroughly solved.
该工艺采用水下低温成型，生产出类似巧克力形状的沥青，彻底解决了沥青烟污染的问题。
The process adopts low temperature pressing process to produce chocolate-like pitch, by which the pitch fume pollution problem has been thoroughly solved.
该工艺采用水下低温成型，生产出类似巧克力形状的沥青，彻底解决了沥青烟污染的问题。
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