请各位发表意见alloy material of construction may be ...? carbon steel is compatible with the process ,alloy material of construction may be substituted if required due to cooling water quality. 我的翻译:碳钢满足工艺,出于冷却水质量要求合金制造材料可以 被替代 ... lz产生误解在于对substitue的被动语态用法,be sbustituted 并非“被替代”,而是“被用来替代”,把省略结构写出来即: be substituted (for carbon steel) 合金材质用来替代(碳钢),(碳钢)被合金材质替代 再一个例子: home-made parts are being substituted for imported ones. 国产零件取代进口零件。 查看更多