bituminous peat
常见例句
- The fundamental properties, the humic acid content, and the structural features of the humic acid of some of the Chinese peat, lignite, and oxidized and weathered bituminous coals have been studied.
進行了我國若乾泥煤、褐煤和氧化及風化菸煤試樣的煤質鋻定、腐植酸含量和腐植酸組成結搆特征的研究。 返回 bituminous peat