Experiment results indicated that the vacuum distillation by using two flask vacuum collectors can make product yield higher.

  • 实验证明采用双瓶采集的真空间歇精馏操作能得到较高的产品收率。

  • 互联网摘选 2025-02-23 18:36:42

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句