局(ju)部通(tong)(tong)風是(shi)指(zhi)掘(jue)進(jin)(jin)工(gong)作面的(de)通(tong)(tong)風。在(zai)開采地下井巷時，為(wei)了供(gong)給新鮮空(kong)氣(qi)、稀釋(shi)并排出掘(jue)進(jin)(jin)工(gong)作面的(de)煙(yan)、塵和有害(hai)氣(qi)體、創造良(liang)好(hao)的(de)作業環境，可采用總(zong)風扭通(tong)(tong)風、擴散通(tong)(tong)風、引射器和局(ju)扇通(tong)(tong)風等局(ju)部通(tong)(tong)風方法。
