【简答题】当被检眼屈光度超过 时,通常超过电脑验光仪测量上限而无法测量。
【判断题】ZYJ7型电液转辙机电机的额定功率为0.75W。
【简答题】There have been many great inventions, things that changed the way we live. The first great invention was one that is still very important today- the wheel. This made it easier to carry heavy things a...
【判断题】ZYJ7型电液转辙机转辙机尖轨与基本轨密贴后,电液转辙机的锁闭柱缺口两侧间隙为2mm±0.5mm。转换锁闭器检查柱缺口两侧间隙为6mm±1.5mm。
【判断题】ZYJ7型电液转辙机电机电源交流380V。
【判断题】ZYJ7型电液转辙机心轨转辙机的检测动程为115mm。
【简答题】对于12号提速道岔(无可动心轨)的尖轨处应设置 台S700K型电液转辙机或 台ZD(J)9型电动转辙机。