短語(yǔ)詞組短語(yǔ)reducing gas atmosphere 還原性氣氛reducing g atmosphere 還原氣層strong reducing atmosphere 強(qiáng)還原氣氛;涵義強(qiáng)還原性氣氛Reducing atmosphere never existed 從未有過還原大氣weakly reducing atmosphere 弱還原氣氛;弱還原性氣氛下exothermic reducing atmosphere 放熱還原氣氛dephosphorization under reducing atmosphere 還原脫磷slightly reducing atmosphere 弱還原氣氛下;弱還原氣氛a reducing atmosphere 還原氣氛 返回 reducing atmosphere