长轨车运行中,人员必须离开轨端()以外,并严禁在长轨上走动。...
Saturday, September 17, 2022
D09-32捣固车作业驱动减速箱为一级圆柱齿轮减速,其速比为()。...
Thursday, September 22, 2022
Thursday, September 22, 2022
轨头侧面校对,在轨面校对灵敏度标准的基础上再提高()dB...
Saturday, September 17, 2022
钩螺栓钩头位置应正确,()钩头面积与钢梁钩紧(优良标准)。...
Thursday, September 22, 2022
Thursday, September 22, 2022
道口栏杆(门)中部安设直径为250mm的()圆牌,并采用反光材料。...
Friday, September 16, 2022
Thursday, September 22, 2022
Saturday, September 17, 2022
当横波入射为35°~55°之间,端角横波声压反射率为()。...
Thursday, September 22, 2022
Friday, September 16, 2022
高锰钢整铸辙叉心宽40mm断面处,辙叉心垂直磨耗(不含翼轨加高部分),50kg/m及以下钢轨在除正线、到发线外的其他站线...
Monday, August 8, 2022
Thursday, September 22, 2022
至少有一个齿轮的轴线可绕另一齿轮的固定轴线转动的轮系称为()。...
Wednesday, September 21, 2022
便携式灭火器位于()门上。指示器必须在绿色区域,如果指示器位于红色区域,需要对灭火器进行更换或补充。...
Thursday, September 22, 2022
Thursday, September 22, 2022
当横波入射为35°~55°之间,端角横波声压反射率为()。...
Thursday, September 22, 2022
钢轨探伤仪37°探头探测50kg/m钢轨第一螺孔时(声程为200mm),探头入射点移至距轨端10mm左右,在荧光屏刻度4...
Monday, September 19, 2022
铁路轨道是线路的上部建筑,包括钢轨、轨枕、联结零件、道床、防爬设备。...
Tuesday, September 20, 2022
喷砂嘴或喷射嘴不准对着()、车、船;不准带风、带砂修理喷砂设备和更换零件。...
Thursday, September 22, 2022