基本解釋[化學]雙傚精餾詞組短語短語backward -feed double-effect distillation 逆流雙傚精餾double-effect distillation更多詞組專業(yè)釋義化學雙傚精餾We have optimized the 3-column double-effect distillation process widely used, and proposed a novel water-integrated and heat-integrated distillation system for purification of synthesized methanol.我們對傳統的三塔雙傚精餾工藝進行了改進，設計了新的三塔雙傚精餾流程。