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CRH2C二阶段（2091～2110、2141～2150)型动车组发生转向架BIDS报警（586、490～493)故障时,MON屏中报出上述故障，司机台“（)”故障灯亮。
A.转向架
B.电气设备
C.空挡
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.转向架
B.电气设备
C.空挡
如果结果不匹配，请 联系老师 获取答案
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定义运算“”为：35＝3+4+5+6+7＝25，53＝5+6+7＝18，按此规律，2110的值为：
A.262
B.255
C.210
D.31
在下图所示角钢和节点板采用两边侧焊缝的连接中，N=660kN(静力荷载，设计值)，角钢为2
110×10，节点板厚度t1=12mm，钢材为Q235，焊条为E43系列型，手工焊。试确定所需角焊缝的焊脚尺寸hf和实际长度。
