- funnel (or natural) draught
- funnel draught
- 自然: nature; natural world
- 送: deliver; carry
- 风: wind
- 送风: air blast supply; air blowning; air supply; airflow; blow on; blowing; blowout; fan wind; on blast; su ly air; supply air sa
- 送风;吹除: blowdown
关注微信公众号:chachacidian,回复:自然送风,即可在微信中查询翻译