局(ju)部通(tong)風(feng)(feng)是指(zhi)掘進工(gong)作面的通(tong)風(feng)(feng)。在(zai)開采地下(xia)井巷時，為(wei)了(le)供(gong)給新鮮空氣(qi)(qi)、稀釋(shi)并排出掘進工(gong)作面的煙、塵(chen)和有害(hai)氣(qi)(qi)體、創造良好的作業環境(jing)，可采用總風(feng)(feng)扭通(tong)風(feng)(feng)、擴散通(tong)風(feng)(feng)、引射器和局(ju)扇(shan)通(tong)風(feng)(feng)等局(ju)部通(tong)風(feng)(feng)方法。
