reducedadj.减少的；简化的；没落的动词reduce的过去式和过去分词.reducev.减少；缩小；使落魄；简化；还原reduced depth折算深度reduced speed减速reduced crude常压渣油reduced scale缩尺,缩小比例尺reduce leakage减少漏损reduce a price[经] 减价reduce section变截面reduced module折合模数, 简约模数reduce arsenic降砷reducer casing减速箱