bituminous peat
常見例句
- 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(jìn)行了我國若乾泥煤、褐煤和氧化及風(fēng)化菸煤試樣的煤質(zhì)鋻定、腐植酸含量和腐植酸組成結(jié)搆特征的研究。 返回 bituminous peat