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When the coil is energized, the iron core attracts the armature and the support plate to move down, and the contact points are turned on or off instantly. The piston rod and the lever slowly decrease due to the influence of the blocking nylon. After a certain period of time, the piston rod decreases to a certain position, and the delayed action contact is pushed by the lever to act, which is in an open state, while the moving contact is closed. The delay time of the relay is the time when the coil is energized until the delay contact completes its action. When the coil is powered off, the relay is restored by the recovery action of the spring.I. Collision Inspection of BIM Technology in Metro Station Comprehensive Pipelines一个拥有五个弟弟的非著名黄牛，为了多挣点让几个弟弟好好学习，每天早出晚归排队购票，自己住在一个半地下室里，一个拥有音乐梦想的女孩，由于母亲的不理解，自己跑到城市里靠直播支撑梦想，黄牛早睡早起，主播晚睡晚起，由于二人的时间的差异，闹出了一系列荒唐而又温情的笑话，好笑之余却有着小小的感动，在真实的生活与无限的思维中，努力寻找着平衡，做到有质感，有意思，讲述这些小人物在大城市的无奈生活，与他们精彩的人生。哦？赵大人眼睛一眯，望向了黄胖子，到底叫什么？统称贝壳铃。Prospects for Deliberate Practice//304Https://pan.baidu.com/s/1yPEJ0VE99LY9FkM42KSIiA Password: tn19孝明世子李英（朴宝剑饰）是朝鲜第23代国王纯祖的长子，个性