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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.Operation method:This is the translation of source code annotations? Add an optional formal parameter to the function make _ album () so that the number of songs contained in the album can be stored. If the number of songs is specified when calling this function, this value is added to the dictionary representing the album. Call this function and specify the number of songs the album contains at least once.甚至是齐王都要给面子，不敢得罪。传说中只要得到分散在地球的12个「超星神]就能有统治全宇宙的力量。邪恶的“宇宙海盗”抢夺全部的「超星神」，统治着全宇宙。在强大的邪恶势力面前，为了收复密封舱而英勇作战的叛乱军，也一筹莫展。高婕失忆后离开大勇返回了加拿大。与爱人天隔一方的大勇思念高婕心切，准备飞往加拿大。正当他准备前往加拿大时，意外得知高婕回港了。原来高婕这次回来是要前往北京去做访问，死心不惜的大勇为了唤醒爱人的记忆跟着她一起来到了北京。高婕在机上遇一个叫罗道风的人，他说认识她，令到高婕以为是他失忆前的朋友，两人于是聊了起来。殊不知一起离奇的命案就起源这一次无心的聊天！大勇这次上北京本来准备挽回高婕的爱情，岂料在北京他们却意外卷入了一起离奇的真假高婕杀人案。