煤中汞含量高于土壤，并和煤中全硫分及灰分呈显著正相关。

The mercury content in coal is higher than that in soil, and has positive relativity with sulphur and ash.

youdao

煤中汞含量高于土壤，并和煤中全硫分及灰分呈显著正相关。

The mercury content in coal is higher than that in soil, and has positive relativity with sulphur and ash.

youdao