释义 |
Topic: PlasticsExplore Plastics TopicPerspex珀斯佩有机玻璃plastic塑料plastic塑料plastic explosive可塑炸药Plexiglas普列克斯有机玻璃polyethylene聚乙烯polypropylene聚丙烯polystyrene聚苯乙烯polythene聚乙烯polyurethane聚氨酯resin树脂thermoplastic热塑性塑料thermosetting热固的Perspex珀斯佩有机玻璃plastic塑料plastic塑料plastic explosive可塑炸药Plexiglas普列克斯有机玻璃polyethylene聚乙烯polypropylene聚丙烯polystyrene聚苯乙烯polythene聚乙烯polyurethane聚氨酯resin树脂thermoplastic热塑性塑料thermosetting热固的Show all entries from Topic: Plastics |