freeburn

名词 n.
中文释义

英文释义

名词 n.
  1. An unconstrained fire.
    — Underwriters Laboratories Inc. 2 showed that rate-of-rise or rate-anticipating thermal detectors spaced as little as two feet or six feet directly above a 2½-square-foot alcohol fire, after a freeburn of 30 seconds, either did not detect at all within 30 seconds or, did so between 28 and 30 seconds.

词形变化

freeburns plural

词源

From free + burn.
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