局(ju)部(bu)通(tong)(tong)風是指掘進工(gong)作(zuo)面的(de)通(tong)(tong)風。在(zai)開采地下井巷(xiang)時(shi)，為了供給新鮮空(kong)氣、稀釋(shi)并排出掘進工(gong)作(zuo)面的(de)煙、塵(chen)和有害氣體、創(chuang)造良好的(de)作(zuo)業環境，可采用總風扭通(tong)(tong)風、擴散通(tong)(tong)風、引射(she)器和局(ju)扇通(tong)(tong)風等局(ju)部(bu)通(tong)(tong)風方法。
