基本解释[化学]瓶级聚酯切片英汉例句双语例句The reasons and countermeasures for the high acetaldehyde content in the bottle grade polyester chips are discussed.探讨瓶级聚酯切片乙醛含量高的原因和采取的对策。bottle grade polyester chips更多例句专业释义化学瓶级聚酯切片