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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.完了，郑氏对王大郎四人道：今儿就问到这吧。范增的心思他多有能猜到些，也可以预见未来的情形，尹旭过了这道坎，只怕下一步会更难。泰国海军上校与拥有王储头衔的欧洲(虚构国家)公主的浪漫虐心故事，两人如何跨越阶级相爱呢？　　谁也没想到，在一片称贺人群中，随着凄凉叫喊声，闯进Yang Liping Spokesman: 500,000 yuan per year Tang Zhenzong Spokesman: 500,000 Hong Kong dollars every two years二公子有言，必为船主报仇。