A.131±1g/l B.131±2g/l C.132±1g/l D.130±2g/l
A.131±1g/l B.131±2g/l C.130±1g/l D.130±2g/l
A.自酸庫(kù)→打入濃硫酸貯罐→打入濃硫酸計(jì)量罐→加入紡絲回流管中→至地槽 B.自酸庫(kù)→打入濃硫酸計(jì)量罐→加入紡絲回流管中→至地槽 C.自酸庫(kù)→打入濃硫酸貯罐→加入紡絲回流管中→至地槽 D.自酸庫(kù)→打入濃硫酸貯罐→至地槽