判斷題
單項(xiàng)選擇題
A.斜前方B.正上方C.斜上方D.正前方
A.2000Pa,2800Pa,1000PaB.2000Pa,2800Pa,1500PaC.2000Pa,2500Pa,1500PaD.3000Pa,2800Pa,1000Pa
A.JFB.JYC.JSD.JZ
A.灶前閥B.樓房附近燃?xì)夤艿揽傞yC.熱水器閥D.燃?xì)獗砬伴y
A.正常火焰?zhèn)鞑?br/>B.爆炸C.脈沖傳播D.爆燃
A.檢漏儀B.皂液C.明火D.鼻嗅