Radon gas in the environment, particles of the fire-resistantmaterial asbestos and air pollution also increase the risk.
环境中 的氡气、防火材料 石棉 的颗粒以及空气污染也会增大患肺癌 的风险性。
2
The main product Silicon metal and Silicon Powder can be used broadly in chemistry, electronic, optics, construction, mechanical, metallurgy, fire-resistantmaterial, etc.
我司主营产品金属硅与硅粉可广泛用于化工电子、光学、建材、机械、冶金、耐火材料等行业。
3
Use ICB technique and remove acid material in the fireresistant oil by adsorption instead of neutralization, so no water produced. Reduce the process of dehydrating.