论文部分内容阅读
山海关桥梁工厂是我国最早生产道岔的工厂，技术力量雄厚，具有40多年丰富的实践经验。1996年底，铁道部决定对京广、京沪、京哈三大运输干线进行提速改造。我厂抓住这个机遇，根据铁道部指令，集中技术力量着手研制提速道岔。其中，60kg—12＃锰岔是提速线路中的关键部件，它?
Shanhaiguan bridge factory is the first factory producing turnout in China, strong technical force, with 40 years of rich practical experience. At the end of 1996, the Ministry of Railways decided to speed up the transformation of the three major transport routes including Beijing-Guangzhou, Beijing-Shanghai and Beijing-Harbin. I plant to seize this opportunity, according to the instructions of the Ministry of Railways, focused on technical forces to speed up the development of turnouts. Among them, 60kg-12 # manganese fork is a key component in the speed-raising line, it?