混汞法提金工艺过程中添加的金属汞是某金矿区周围环境汞污染的主要来源。

Mercury, that was used to extract gold in amalgamation, is the main source of pollution of the mine environment.

youdao

混汞法提金工艺过程中添加的金属汞是某金矿区周围环境汞污染的主要来源。

Mercury, that was used to extract gold in amalgamation, is the main source of pollution of the mine environment.

youdao