air aditventilation adit通风: ventilate; air平: flat; level; even; smooth硐: cave; cavern; cave dwelling; ...不通风平顶: non-ventilated flat roof通风平洞: fang下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:通风平硐，即可在微信中查询翻译
