clack box

名词 n.
中文释义

英文释义

名词 n.
  1. The box or chamber in which a clack valve works.
    — The connecting pipe between a locomotive injector and the boiler, through which the water is forced into the boiler against the steam pressure within, is provided with a "clack-valve," which allows the water to pass in the inward direction only and not the outward; this is housed in a "clack-box". No question of "advantages or disadvantages" attaches to the use of a clack-box; it is a necessary part of locomotive equipment.
  2. A person's tongue or mouth. UK,obsolete,slang
  3. A garrulous person; a chatterbox. UK,obsolete,slang

词形变化

clack boxes plural
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