LKJ途中发生故障时，在故障机车到段后的第二天，电务段安全科必须将故障分析及对策措施报电务处。
参考答案：对
---Do you often play computer games?
---No, And so do ________ of my classmates, you know we are very busy
A．three fourths
B．three four
C．third four
D．third fourths
装炉时，工件是否可以碰撞热电偶？为什么？
