A.水中離子濃度小,樹(shù)脂對(duì)其親和力大 B.水中離子濃度大,樹(shù)脂對(duì)其親和力大 C.水中離子濃度小,樹(shù)脂對(duì)其親和力小
A.增加藥劑 B.降低流速 C.提高流速
A.電位差 B.濃度差 C.壓力差