bottom soil

 
  • 底土

bottom soil的用法和样例:

例句

  1. In this experiment the soil in which clams were reared was turned over periodically tosee whether the treatment benefited the growth of the clams.
    摘要本报告探讨定期翻掘养殖池的底土是否能维持良好的底质,使文蛤有较佳的活存率与成长。
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