The acrylonitrile-styrol reisn is firmly combined on active carbon, thus being safe and nontoxic to the environment.
丙烯腈-苯乙烯树离子牢固结合在活性炭,对环境安全无毒。
The acrylonitrile-styrol reisn is firmly combined on active carbon, thus being safe and nontoxic to the environment.
丙烯腈-苯乙烯树离子牢固结合在活性炭,对环境安全无毒。
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