pitch peat
... pitch on metal 涂沥青薄钢板 pitch peat 沥青泥炭 pitch 间距;沥青 ...
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沥青质泥炭 bituminous peat
·2,447,543篇论文数据，部分数据来源于NoteExpress
天然有机质及其与铀矿化的关系 天然有机质在地质体中常见者主要是腐植质、煤、泥炭、腐泥质、石油和沥青。
The nature and origin of organic substances in uranium deposits and the role that they plays in transporting and concentrating uranium are different from place to place.
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