UM 71 Automatic Block Knowledge Q&A

Author: Chen Xilian
Publisher:
Publish Date: 2005-01-01
Features: This book introduces the working principles, relevant parameters, standards, and maintenance methods of the UM71 automatic block equipment in a question-and-answer format. The entire book is divided into nine parts: Comprehensive knowledge of automatic block; Functions and working principles of UM71 track circuit equipment, etc.