局(ju)(ju)部通(tong)(tong)風(feng)(feng)是指掘(jue)進工作(zuo)(zuo)面(mian)的(de)(de)通(tong)(tong)風(feng)(feng)。在開采地(di)下(xia)井巷時，為了供(gong)給新(xin)鮮(xian)空氣、稀(xi)釋并排出掘(jue)進工作(zuo)(zuo)面(mian)的(de)(de)煙、塵和(he)有害氣體、創(chuang)造良好的(de)(de)作(zuo)(zuo)業環境，可采用總風(feng)(feng)扭通(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)方法(fa)。
