介绍了一种判断列车管折角塞门状态的新方法借助机车监控装置如何利用列车管充风和排风时间来判断列车管折角塞门的状态。

By this method locomotive supervise and record apparatus can be used to judge the condition of train line Angle cock according to the air-filled time and air-bled time of train line.

youdao

介绍了一种判断列车管折角塞门状态的新方法借助机车监控装置如何利用列车管充风和排风时间来判断列车管折角塞门的状态。

By this method locomotive supervise and record apparatus can be used to judge the condition of train line Angle cock according to the air-filled time and air-bled time of train line.

youdao