lower bituminous coal

常见例句

雙語例句

• The results show that at lower burn-off, the high content of Datong bituminous coal is favorable for preparing activated carbons with high iodine value and methylene blue value.
  試騐結果表明，大同菸煤配比較高時，有利於在低燒失率下制備高碘值、高亞甲藍值的活性炭；
返回 lower bituminous coal