外表皮肤是白，可骨子里却沥青般的黑。

White on the outside, black as tar on the inside.

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水泥路面白改黑工程中沥青找平层起着提供沥青加铺层工作平台和防反射裂缝的作用。

Asphalt leveling course has effect on providing working platform for asphalt leveling course and preventing reflection cracks in the "adding ac overlay on PCC pavement" project.

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本发明属于路面材料的技术领域，具体为一种废白土沥青改性剂及其生产方法。

The invention belongs to the field of road materials, in particular to a waste clay asphalt modifier and a production method thereof.

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