局(ju)(ju)部通(tong)(tong)風(feng)是(shi)指掘(jue)進工(gong)作面的通(tong)(tong)風(feng)。在開(kai)采(cai)地下井(jing)巷時，為了供給新鮮空氣、稀釋并排出掘(jue)進工(gong)作面的煙、塵和(he)有害氣體(ti)、創(chuang)造(zao)良好的作業(ye)環境，可采(cai)用(yong)總(zong)風(feng)扭通(tong)(tong)風(feng)、擴散通(tong)(tong)風(feng)、引射器和(he)局(ju)(ju)扇(shan)通(tong)(tong)風(feng)等局(ju)(ju)部通(tong)(tong)風(feng)方法。
