运动过程中含有微粒的空气被采集到外部配置的激光微粒计数器里进行分类、计数，检测人员便可得出检测结果。

During the movement, air in the test room is collected into a laser particle counter, and the particles in the air are classified and counted. So operator can make a test.

youdao

运动过程中含有微粒的空气被采集到外部配置的激光微粒计数器里进行分类、计数，检测人员便可得出检测结果。

During the movement, air in the test room is collected into a laser particle counter, and the particles in the air are classified and counted. So operator can make a test.

youdao