Formaldehyde, benzene, ammonia and radioactive pollution' superscale have seriously affected people's health.

甲醛、苯、氨气和放射性污染超标已经严重影们的健。

Recycled waxes by holding deposition at home cann't meet the requirements of wax performance,especially dramatical superscale in ash content.

国内回采用静置沉降法,不能保证的性能要求,尤其是灰分严重超标。