fire resistant material engineering 防火材料工程
Phenolic resin for fire-resistant material 耐火材料用酚醛树脂
fire-resistant material design engineer 耐火及保温设计工程师
other material fire resistant doorsets 其他材质防火门
Fire Resistant Insulating Material [电] 耐燃绝缘材料
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。
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