The Problems of Plastic Bags 一次性塑料袋的问题 ; 塑料袋问题 ; 塑料袋的问题 ; 一次性方便袋的问题
Plastic pollution has been one of the most serious problems today.
塑料污染是当今最严重的问题之一。
It introduced the materials, merits, common problems and announcements of paper-plastic package.
介绍了纸塑包装的材料、优点及应用中常见问题及注意事项。
The reclamation and recycle of polystyrene foamed plastic waste not only can control pollution but also solve the problems of chemical energy sources.
将废弃的聚苯乙烯泡沫塑料回收利用既可解决它所带来的污染,又可缓解化工能源不足问题。
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