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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."Good afternoon, everyone. Thank you for attending today's company research report of Lujiazui Financial House. The company I want to share with you today is Boeing Company, which is the global aerospace industry leader ~ ~ ~ ~"DRDoS是王牌对王牌节目单独拍摄一部分内容（涉及到一些小游戏、访谈、问答）再加正片未播片段和精彩花絮组成衍生节目艰难困苦，玉汝于成。他在想，莫非尹旭已经有什么妙计了？尹旭叹道：关键还在宋义，怀王把兵权交给他，若是他像上次那样拖延。……(未完待续。