The sand filtration system was built by a 10m length, 2m width, 2m depth flume with construction of brick and cement. The building was divided into eight sand filter beds, which were packed with three kinds of sands in a cube 1m long.

  • 试验构建一个长约10m、宽2m、高2m的砖混结构渗滤池,渗滤池分隔为8个小渗滤池,选择3种不同的沙分别构建1m3见方的渗滤床。

  • 互联网摘选 2025-01-20 00:03:26

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