由于重钙的特性，用作生产复混肥的磷源，必须中和其游离酸。

As the phosphorus resource of compound fertilizer, the free acid in TSP must be neutralized.

youdao

由于重钙的特性，用作生产复混肥的磷源，必须中和其游离酸。

As the phosphorus resource of compound fertilizer, the free acid in TSP must be neutralized.

youdao