Hydraulic system in the bed to the lateral casting tank, the station platform for the relocation of station and button electronichand wheel with the hoisting of heavy cancel button stations.
液压系统在床身外侧铸造接油槽，站台上设按钮站与外移式电子手轮配合，取消笨重悬挂按钮站。
2
Do you think it necessary for dispatchers to draw maps by hand when they have electronic maps?
当调度员有电子地图时，你认为有必要用手画地图吗？
3
Although nowadays the center has electronic maps, the dispatchers still walk through the streets to draw maps by hand.