局(ju)(ju)部通(tong)(tong)風(feng)(feng)是指掘進工(gong)作(zuo)面的通(tong)(tong)風(feng)(feng)。在開采地下井(jing)巷時，為了供給新鮮(xian)空(kong)氣、稀釋并排(pai)出掘進工(gong)作(zuo)面的煙、塵和(he)有(you)害氣體、創(chuang)造良好的作(zuo)業環境，可采用總風(feng)(feng)扭通(tong)(tong)風(feng)(feng)、擴(kuo)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。
