Beaulieu and colleagues measured nitrous oxide production rates from denitrification in 72 streams draining multiple land-use types across the United States.

对美国各地多种土地使用类型的72条排水溪流，比尤利和同事测量了脱氮作用造成的一氧化二氮产生率。

youdao

The use of the drier can achieve the purposes of energy saving, multiple use, small occupation of land, cleanness and quick drying.

使用它可达节能、多用途、占地少、洁净、快干的目的。

youdao

The use of the drier can achieve the purposes of energy saving, multiple use, small occupation of land, cleanness and quick drying.

使用它可达节能、多用途、占地少、洁净、快干的目的。

youdao