The orientation measurement is a precise and detailed job, and it affects directly the route alignment and the control of elevationsystem.
导线测量是一项精密而细致的工作,直接影响到路线的定线和高程系统的控制。
2
Its elevationsystem is operated by linearity electric motor. Others adjustment operated by air spring and manual. It is a kind of electric and air spring double-action operating table.
升降系统为线性电机操作,其他动作为气压弹簧和手动操作,是电动和气动双动力的综合外科手术台。
3
The paper introduces a recoverable design for the lost information of generator winding during heavy repair to the elevationsystem of the shovel 295B, in which the 836kw generator gets out of order.