短语词组短语alkali -metal salt 碱金属盐alkali metal fullerene salt 碱金属球碳盐inorganic alkali metal salt 无机碱金属盐alkali metal salt extinguishing agent 碱金属盐类灭火剂;碱金属盐polyethylene oxide -alkali metal salt complex 聚氧乙烯碱金属盐络合物 返回 alkali metal salt