排はい煙えん

noun

smoke (from a chimney or factory); flue gas; exhaust gas

Refers to the smoke or gas emitted from smokestacks, factories, or industrial processes. Often used in environmental and engineering contexts.

• 工こう場じょうの排はい煙えんが大たい気き汚お染せんの原げん因いんになっている。

  Factory smoke is a cause of air pollution.

• 排はい煙えんに含ふくまれる有ゆう害がい物ぶっ質しつを除じょ去きょする装そう置ちが設せっ置ちされた。

  Equipment to remove harmful substances contained in flue gas was installed.

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

smoke extraction; smoke dispersal; smoke ejection

Refers to the action or system of removing smoke from a space, such as in buildings, tunnels, or industrial facilities. Can be used as a noun or with する to describe the process.

• 火か災さい時じに排はい煙えんするための設せつ備びが義ぎ務む付づけられている。

  Facilities for smoke extraction during a fire are required by law.

• トンネル内ないの排はい煙えんシステムが作さ動どうした。

  The smoke dispersal system in the tunnel activated.