局(ju)(ju)部通(tong)(tong)風(feng)(feng)是指掘進工(gong)作(zuo)面(mian)的通(tong)(tong)風(feng)(feng)。在開采(cai)地下井巷時，為了(le)供(gong)給新鮮空氣(qi)、稀(xi)釋并(bing)排(pai)出(chu)掘進工(gong)作(zuo)面(mian)的煙、塵(chen)和(he)有(you)害氣(qi)體、創造良(liang)好的作(zuo)業環境，可采(cai)用總(zong)風(feng)(feng)扭(niu)通(tong)(tong)風(feng)(feng)、擴散通(tong)(tong)風(feng)(feng)、引射器和(he)局(ju)(ju)扇通(tong)(tong)風(feng)(feng)等局(ju)(ju)部通(tong)(tong)風(feng)(feng)方(fang)法。
