本发明也适用于高钙硬度、高固悬物含量的其它工业用水的混凝沉降处理。
The present invention is also suitable for the coagulation and deposition treatment of other industrial effluent with high calcium hardness and high solid suspension content.
再加上钙,镁起着牙齿和骨骼硬度不可或缺的作用。
Together with calcium, magnesium plays an integral role in tooth and bone hardness.
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。
Is mainly composed of calcium magnesium sulfate, chloride and nitrate as the hardness of the form salts.
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