A.5mm B.10mm C.12mm D.15mm
单项选择题转K5转向架挡键与轴承外圈的间隙为()
A.2~8mm B.3~7mm C.5~11mm D.9~15mm
单项选择题转K2型转向架承载鞍与侧架导框导台的间隙左右之和为()
A.6~14mm B.6~14.5mm C.6~16mm D.6~18mm
单项选择题JC系列弹性旁承调整下旁承垫板时,下旁承调整垫板总厚度为()
A.2~20mm B.2~25mm C.2~30mm D.2~35mm
单项选择题平面下心盘垫板组装时,须使用钢质或竹质垫板,竹质垫板厚度不大于()
A.20mm B.40mm C.50mm D.60mm
单项选择题检修时圆弹簧圆钢直径腐蚀、磨耗超过原型的()时报废。
A.5% B.8% C.10% D.20%