Radon gas in the environment, particles of the fire-resistant material 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。
The main product Silicon metal and Silicon Powder can be used broadly in chemistry, electronic, optics, construction, mechanical, metallurgy, fire-resistant material, 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。
The main product Silicon metal and Silicon Powder can be used broadly in chemistry, electronic, optics, construction, mechanical, metallurgy, fire-resistant material, 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。
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