本文建立了被动式扩散管采集室内空气中甲醛的方法。

A sampling method of passive diffusion tube for collecting formaldehyde in indoor air was established.

youdao

本文建立了被动式扩散管采集室内空气中甲醛的方法。

A sampling method of passive diffusion tube for collecting formaldehyde in indoor air was established.

youdao