矿井地质条件共分为Ⅴ类。()
两支球门门柱之间的横杆,距离地面的高度是多少?() ["2米","3米","4米","5米"]
MCU上电并开启后,以下情况表明MCU启动成功的是?() ["标志有“D”字样的指示灯长亮","RUN指示灯长亮","“D”字样的指示灯与RUN指示灯周期性的同亮同灭","无灯闪烁"]
极阵区域的最大宽度是多少()? ["70米","80米","90米","100米"]
若MCU的媒体处理模块工作状态正常,则指示灯显示为。() ["闪烁(0.5Hz)","长亮","长灭","闪烁(5Hz)"]
F320-3DH钻机的最大钻柱重量为()T。