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Time relays can be divided into AC relays and DC relays according to different power supply requirements, which are respectively used in AC circuits and DC circuits. Time relays can be divided into power-on delay relays and power-off delay relays according to different functions. Time relays can be divided into sealed relays, small relays and micro relays according to their shapes. In addition to the above classification of time relays, time relays also include special types of relays such as resonant relays, stepping relays, proportional relays, etc.(12.20 update)老话说：人来到这世上，分三种人：一种人是来知恩报恩。另一种人是逃债躲债。田遥。不想说，你可以一点也不说，但是你偏偏说了一半。本剧改编自超人气网络小说家张小花的同名作品。 天界神魔大战打破了人间的平静，玉皇大帝下凡化身为刘老六要将天界战败而落入凡间的神仙送回天界。三流网络作家甄廷强，在一次醉酒后稀里糊涂得与刘老六签订契约，接受了将神仙送回天界的任务。刘老六将天界娃娃送给甄廷强作为其助手，但天界娃娃告诉小强送神仙回天界必须要收集人间的喜怒哀乐等情绪。所以在收集齐这些情绪之前，掉落凡间的神仙只能都暂居小强家，自此小强家开始热　　大难不死的永琰被”陈素娘”所救，却意外在陈素娘身上发现与自己母后有关的玉坠，永琰于是化名”高世国”留在陈家暗中查访，却没想到堂堂一名皇子竟被陈家当成下人般使唤？