接触网作业车在车站等会列车时司机应做到哪些？
参考答案：
接触网作业车在站内等、会列车时，须进行保压制动，严禁关闭发动机，按规定及时检查走行部。
单词拼写。
1.We come from China.We speak C__________.
2. December is the t__________ month of the year.
3. B__________ is the date of one's birth.
4. N__________ comes after October.
5. The Spring __________ is important to every Chinese.
内燃机车蓄电池常用故障有哪些？
