friction weir

 
       
  • 摩擦堰

friction weir的用法和樣例:

例句

  1. The discharge from the weir opening should be free.
    從堰開(kāi)口處的瀉水應暢通。
  2. It has novel seal structure and adjustable overflow weir plate.
    其新穎的密封結構,可調式溢流堰板。
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