This paper discussesd the preparation of glage-trace element fertiliar.Main raw material-glass and some trace element were put into together,when the reactants were melt,they occur solidoid reaction.
玻
量元素肥料,是以玻
为主要原料,
人适量的
量元素,经过灼烧成为

态后,发生固相反应,即生成玻
量元素肥料。



行走,而这种浓雾会
国新年》
状包括严重
及鸡皮疙瘩和出汗。


