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ballcock

美 [ˈbɔːlkɑːk]英 [ˈbɔːlkɒk]
  • n.浮球阀;浮球旋塞
ballcockballcock

noun

浮球旋塞;浮球阀
a device with a floating ball that controls the amount of water going into a container, for example the water tank of a toilet

noun

1
floating ball that controls level in a water tank
Synonym: ball cock

数据来源:WordNet