问题:Ⅰ级铁路,允许速度为120km/h的线路,车站必须设在曲线上时,...
Wednesday, September 14, 2022
问题:分配阀作用部是根据列车管的压力变化来控制()的动作从而达到控制制...
Friday, September 16, 2022
问题:在缓和曲线的始点,缓和曲线倾角和曲率分别为()。...
Monday, September 2, 2024
Friday, September 16, 2022
问题:当轨下调高垫板厚度达到10mm,或连续3根及以上轨枕调高垫板厚度...
Friday, September 16, 2022
问题:纵横梁发生横向弯曲,弯曲矢度大于或等于自由长度的()时,应及时进...
Thursday, September 15, 2022
问题:桥面遮板断缝应采用()沿缝全高填塞饱满,不渗水、不漏水。...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
问题:三角坑允许偏差管理值即为在延长()的距离内不允许超过的三角坑偏差...
Friday, September 16, 2022
Thursday, September 15, 2022
问题:线路大中修及大型养路机械作业的施工天窗不少于()min。...
Friday, September 16, 2022
Friday, September 16, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:工作坑是预制和顶进桥涵的工作基础,工作坑的尺寸由顶进桥涵的宽度、...
Friday, September 16, 2022
Wednesday, September 14, 2022
问题:接头螺栓按抗拉强度划分为10.9级、10级和8.8级三种。...
Friday, September 16, 2022