puffback

名词 n.
中文释义

英文释义

名词 n.
  1. Any bird of the genus Dryoscopus.
  2. The (unintended) emission of soot or smoke from a furnace or boiler into a structure, typically caused by a burner failing to ignite properly, allowing a buildup of fumes which explode and expel soot or smoke into the structure.
    — Puffback can also be caused by a faulty pressure regulator that allows oil to drip into the combustion chamber after the burner shuts down. The leaking oil gets absorbed by the lining of the combustion chamber, and it can also pool[…]

词形变化

puffbacks plural

词汇关系

衍生词
puffback flycatcher

词源

From puff + back.
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