The results of the experiment sh ow that the limited carbonate hardness method is simple, quick and effective.

由实验的结果来看，极限碳酸盐硬度法简便、捷、现性好，可信度高。

youdao

The results of the experiment sh ow that the limited carbonate hardness method is simple, quick and effective.

由实验的结果来看，极限碳酸盐硬度法简便、捷、现性好，可信度高。

youdao