n.[化]還原劑
Reductant from an extraneous source is introduced. 外來(lái)的還原劑被引進(jìn)來(lái)。
Hydrogen sulphide bearing gas or water is postulated to be an important reductant in several areas. 含硫化氫的氣體和水被認(rèn)為是某些地區(qū)的一種主要的還原劑。
