The material being engraved determines the type of modification that will occur.
雕刻材料正在修改决定了将要发生的类型。
Some of this material is covered in the brake modification section.
有些材料的，这是包括在刹车改装部分。
Engineering and high property of universal plastics is the main research direction of polymer modification and novel material exploitation in the world.
通用塑料的工程化、工程塑料的高性能化是目前国内外聚合物改性和新材料开发的主要研究方向。
应用推荐