局(ju)部(bu)通(tong)(tong)(tong)風是指掘進工作面(mian)的通(tong)(tong)(tong)風。在開采地下井(jing)巷時，為了供給新鮮空氣(qi)、稀(xi)釋(shi)并排出掘進工作面(mian)的煙、塵和(he)有害氣(qi)體、創造良好(hao)的作業環(huan)境(jing)，可采用總風扭通(tong)(tong)(tong)風、擴散通(tong)(tong)(tong)風、引射器(qi)和(he)局(ju)扇通(tong)(tong)(tong)風等局(ju)部(bu)通(tong)(tong)(tong)風方法。
