The cement anthraxolite and the squama anthraxolite are most important to this deposit.
浸染状碳沥青多属于生积碳沥青,对矿床形成仅起一定淀作。
The cement anthraxolite and the squama anthraxolite are most important to this deposit.
浸染状碳沥青多属于生积碳沥青,对矿床形成仅起一定淀作。
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