采用水质分析法对水化学类型进行判别，从而找到了水源，确保了安全生。

This paper presents water content analyse to help find water source and insure safety.

youdao

采用水质分析法对水化学类型进行判别，从而找到了水源，确保了安全生。

This paper presents water content analyse to help find water source and insure safety.

youdao