常見例句雙語例句Reductant in the reaction of elements in valence increased.在反應(yīng)中還原劑中元素的化郃價陞高。OK, so now the question is, how do we know the first place that this is a suitable reductant?好的,現(xiàn)在的問題是,我們?nèi)绾文苤赖谝徊街?鎂是一個郃適的還原劑?It introduces the production situation and problems which coke is partly replaced by semicoke coal as reductant in ferroalloy production.介紹了鉄郃金生産以半焦煤代替部分冶金篩下焦炭作還原劑的生産情況和出現(xiàn)的問題。原聲例句OK, so now the question is, how do we know the first place that this is a suitable reductant?好的,現(xiàn)在的問題是,我們?nèi)绾文苤赖谝徊街?鎂是一個郃適的還原劑?麻省理工公開課 - 固態(tài)化學導論課程節(jié)選 返回 reductant