局(ju)(ju)部通(tong)(tong)風(feng)(feng)是指掘(jue)進工(gong)作面(mian)的(de)通(tong)(tong)風(feng)(feng)。在開采(cai)地下井巷時，為了供給新鮮空氣(qi)、稀(xi)釋并排出掘(jue)進工(gong)作面(mian)的(de)煙、塵和有害氣(qi)體、創造良(liang)好的(de)作業環境，可采(cai)用總風(feng)(feng)扭通(tong)(tong)風(feng)(feng)、擴散通(tong)(tong)風(feng)(feng)、引(yin)射(she)器(qi)和局(ju)(ju)扇(shan)通(tong)(tong)風(feng)(feng)等局(ju)(ju)部通(tong)(tong)風(feng)(feng)方法。
