Heat treated boards display a reduced modulus of rupture and an increase in dustiness.

经过热处理后，板材的断裂模数变小，而含尘量增加。

We also need to improve the ventilation in our office to help prevent headaches, smells, sore throats, stuffiness and dustiness.

我们也需要改善办公场所的通风来预防头疼、不良的气味、嗓子疼、鼻塞和灰尘。