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1. Oxford Dictionary

   intake valve

   • n.
     a valve that controls the passage of fluid or air into a pipe, channel, or duct

   • noun: intake valve, plural noun: intake valves

2. • 釋義

   n.

   名詞

   • 1. a valve that controls the passage of fluid or air into a pipe, channel, or duct officials closed intake valves into the city's water system