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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.Big Brother Strong Invincible Ben Meng Xin Has Been DizzyArticle 24 Towing and pushingResponsibility chain mode-A request needs multiple objects to process, thus avoiding the coupling relationship between the sender and receiver of the request. Connect these objects into a chain and pass the request along this chain until an object processes it. The specific structure diagram is as follows:你当年是咋嫁给长明哥的，你都忘了？人人都说我哥比长明哥好。Norton AntiVirus/Norton Internet Security 2008/2009/2010/2011/2012 for 64-bit OS only这部古装剧以幽默,诙谐的戏说样式,表现南宋末年忽必烈大一统中国时,南宋临安府(杭州)宰相贾似道以小虫治国到小虫亡国的过程.被世人称作蟋蟀宰相的贾似道是一个地地道道的玩家,原本只会玩虫,且只愿意玩虫的他,年少时就被父亲赶出了家门,后在心上人的威逼下走进了考场,无奈之下,他把自···