The spotsare made mainly of magnesium sulfate, which crystallizes in the summer.
这些斑点主要由湖水中的硫酸镁结晶而成。
Is mainly composed of calcium magnesium sulfate, chloride and nitrate as the hardness of the form salts.
主要是由钙镁的硫酸盐、氯化物和硝酸盐等盐类所形成的硬度。
These interfacial reaction products are mainly from the reaction between the binder and the melted magnesium.
这些界面反应物主要来自挤压铸造时粘结剂与熔融的镁反应。
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