局(ju)(ju)部通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)是指掘(jue)進(jin)(jin)工作(zuo)(zuo)(zuo)面的(de)(de)通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)。在開采地下(xia)井巷(xiang)時，為了供給新(xin)鮮空氣、稀釋(shi)并排(pai)出(chu)掘(jue)進(jin)(jin)工作(zuo)(zuo)(zuo)面的(de)(de)煙、塵和有害氣體、創造良(liang)好的(de)(de)作(zuo)(zuo)(zuo)業(ye)環境，可采用總風(feng)(feng)(feng)(feng)(feng)扭通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)、擴散通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)、引射器和局(ju)(ju)扇通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)等局(ju)(ju)部通(tong)(tong)風(feng)(feng)(feng)(feng)(feng)方(fang)法。
