the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc.
乙组分别由交联、促进
、增韧
、增黏
、
和填充
等混合
工而成。
the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc.
乙组分别由交联、促进
、增韧
、增黏
、
和填充
等混合
工而成。
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