four-way cock

名词 n.
中文释义

英文释义

名词 n.
  1. A cock connected with four pipes or ports, and having two or more passages in the plug, by which the adjacent pipes or ports may be made to communicate; formerly used as a valve in the steam engine, and for various other purposes.
    — the chamber of the four-way cock

词形变化

four-way cocks plural
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