drainout

名词 n.

英文释义

名词 n.
  1. A channel for the purpose of draining liquid out of a system.
    — The valves are removable from the surface without excavating the hydrants, and are provided with automatic drainouts with brass nipple, set below frost line, and are surrounded with a broken stone blind drain.

词形变化

drainouts plural

词源

Deverbal from drain out.
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