用airborne dust造句子，“airborne dust”造句

concentration of airborne dust

That means 4, 594 fewer tons of airborne dust each year until at least 2009.

Filtered ventilation fans prevent airborne dust particles from being drawn into the chassis.

We make the study and application of airborne dust control technology on urban bare land, and shall construct the zone of application and demonstration of sand protection and control technology etc.

measurement of airborne dust by the membrane filter method