单词：reductant
reductant的用法和样例：
例句
- Reductant from an extraneous source is introduced.外来的还原剂被引进来。
- Hydrogen sulphide bearing gas or water is postulated to be an important reductant in several areas.含硫化氢的气体和水被认为是某些地区的一种主要的还原剂。
- reducing agent[化]还原剂
- reducer减径管
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