It is known that powder materials have important effects on the application of plastics.
粉体材料在塑料中应用的重要作用无庸置疑。
Plastics have taken the place of many metal materials.
现在塑胶已代替了许多传统材料。
Plastics have taken the place of many old materials.
塑料已经取代许多旧材料。
Nowadays plastics have taken the place of many materials.
现在塑料替代了许多材料。
The air permeability back board can be made of plastics or other materials.
透气背板可用塑料或其他材料制成。
The air permeability back board can be made of plastics or other materials.
透气背板可用塑料或其他材料制成。
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