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(3) The principle of electric time relay is similar to that of clocks and watches. It is delayed by the internal motor driving the reduction gear to rotate. This kind of relay has high delay accuracy and wide delay range (0.4 ~ 72h), but its structure is complicated and its price is very expensive.2019年国际轨道交通技术展览会上，江车集团研发团队核心成员李延峰、 林真一、谭靖州携最新型高速动车组“江城之星”高调亮相。时间倒回到高铁飞速发展的2015年，因与门泽尔公司长达两年多年的合资谈判陷入胶着，江车集团决定让林真一带队的项目组提前三个月试车，以拿下莱恩西订单。与此同时，就读于莱恩西大学的李延峰阴错阳差下成为了此次试车的驾驶员，并认出了莱恩西试车负责人正是自己少年时的暗恋对象林真一，但是没想到试车失败，李延峰追随林真一回到国内，而此时的林真一倾心于江车青年一代领军人物谭靖州。回国后，李延峰暗暗帮助林真一将机车修复完成，并帮助江车维修上海城轨机车，与此同时谭靖州与门泽尔代表斗智斗勇周旋多时，门泽尔质疑江车利用李延峰掌握的门泽尔技术修好上海城轨机车，在谈判上提出非竞争性附加条款，让谭靖州和江车无法接受。急需证明自我价值的江车员工，在林真一的带领下承接了云莱国的高速列车制造订单，李延峰为追爱也一路跟随，云莱国地险气闷，极不适合高速列车运行，为能成功拿下订单，李林二人克服重重困难，不仅实现技术突破，两人的情感萌芽也初见端倪。经历了莱恩西试车、云莱国订单、地铁机车抢修等事件后，江车集团下定决心，停止跟门泽尔的合资谈判，坚定不移的走自主研发道路。云莱国项目经历重重困难终于成功，整体提升了中国江车机车技术在国际上的知名度，引起国际关注。此时，更大的难题摆在了江车面前——全面实现列车提速（江城之星），集合各界优秀科研人员一起，攻克技术难关，成功突破转向架技术、电机技术等一系列世界机车技术创新难题，实现我国列车大提速，一步步将江车高铁引向世界技术舞台的高峰，向世界证明中国自主研发技术的强大实力。多谢了。经过这几天的慎重考虑，我们《武侠世界》主基调，将是主打‘新武侠这个概念。《谢谢让我遇见你》为典型的青春校园爱情题材，以几个少年自高中到大学的成长经历为情节主线，表现了两对CP身上青春的美好和懵懂爱情的甜蜜。Picture above first.One person, one pot, the price is affordable, one yuan rotating small hot pot, one person, one pot of food distribution system, affordable is not expensive, the introduction of 12-26 yuan per capita consumption price, the price discount is more affordable, delicious without discount! One-dollar rotating small hot pot, from ingredients to utensils, such as induction cooker, pot, tray, dish plate, beverage cup, chopsticks, napkin, etc., is directly customized by the manufacturer, and even a toothpick is purchased and distributed by the headquarters in a unified way to ensure that all links reach a unified high standard and quality and ensure the interests of customers. In order to establish brand awareness and strengthen the construction of the company's website, the company must publicize itself and promote itself after a certain scale. Proper publicity will bring more markets, opportunities and information to the development of the enterprise.