pollution degree造句

Mud filtrate invasion depth and pollution degree are two important parameters in the optimum perforation design.

Introduction on the sources and pollution degree of wastewaterfrom china? s brewery was presented.

The quality situation and pollution degree of groundwater directly represent its environment quality.

When the multi-ingredient pollution if transformed into the single-object decision, the results could directly show the integrative level and pollution degree of a certain area air quality.

Introducing reverse logistics to logistics management not only saves the cost of enterprises, but also reduces the pollution degree to the environment.