单项选择题
A.17.7s/m,0.052m/s B.17.7s/m,0.104m/s C.35.4s/m,0.052m/s D.35.4s/m,0.104m/s
A.12567Pa,0.047 B.16832Pa,0.047 C.12567Pa,0.093 D.16832Pa,0.093
A.18个 B.36个 C.54个 D.72个
A.1888Pa B.2020Pa C.3776Pa D.4040Pa
A.增大筒体直径 B.增加入口面积 C.增大锥体长度 D.增大出口管直径
A.8.97m B.13.52m C.17.94m D.26.91m
A.90.1m3 B.80m3 C.80.1m3 D.70m3
A.负压管路 B.监测管路 C.进口管路 D.出气管路
A.29.2μm B.27.3μm C.24.1μm D.21.5μm
A.烟尘200mg/m3,二氧化硫1200mg/m3 B.烟尘100mg/m3,二氧化硫800mg/m3 C.烟尘50mg/m3,二氧化硫400mg/m3 D.烟尘50mg/m3,二氧化硫1200mg/m3
A.炼焦炉 B.焚烧炉 C.水泥工业 D.工业窑炉