laminated synthetic plastics 层压合成塑料
laminated leafspring synthetic plastics 层压合成塑料
Synthetic Resins and Plastics 合成树脂与塑料
Synthetic Resin and Plastics 合成树脂及塑料
synthetic-resin plastics 合成树脂塑料
plastics and synthetic resins technician 塑料和合成树脂的技术人员
Synthetic Resin & Plastics 合成树脂及塑料
So the synthetic plastics industry was born, other chemists starting to synthesize many other useful plastics of a similar type.
于是合成塑料工业诞生,而其他化学家就开始合成相似类型的许多其他有用的塑料。
The phenol resins and plastics were the original synthetic thermosetting materials.
酚树脂和塑料是原始的热硬化性合成材料。
Natural and synthetic fibres and most fuels, drugs, and plastics are organic.
天然和合成纤维、大部分的燃料、药剂和塑料制品都是有机化合物。
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