A.拉线开关 B.预警电铃 C.联锁装置
A.给料机 B.除铁器 C.振动筛 D.除尘器
A.违章指挥 B.违章操作 C.违反纪律 D.违章驾驶
A.5% B.15% C.10% D.20%
A.300 B.350 C.300-350 D.600
A.Vdaf＞37.0% B.Vdaf＜37.0% C.Vdaf=37.0%
A.34A B.25A C.28A D.30A
A.0.2-0.4MPa B.0.3-0.6MPa C.0.4-0.6MPa D.0.4-0.7MPa
A.180mm B.200mm C.250mm
