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The creepage distance is divided into two grades, and the creepage distance of 300V grade is ≥ 5 mm; Creepage distance of 600V grade ≥ 7mm. The creepage distance is designed for 220V voltage according to 300V grade, and the creepage distance is designed for 380V voltage according to 600V grade. For 220V and 380V high-power parts, character marks are applied to allow cuts in PCB design to meet the requirements of creepage distance.State mode refers to allowing an object to change its behavior when its internal state changes. The object seems to have modified its class. Divide this sentence into two parts by commas. The first part means to encapsulate the state into a separate class and delegate the request to the current state object. When the internal state of the object changes, different behavior changes will be brought about. The second part is from the customer's point of view, the object used has completely different behaviors in different states. The object seems to be instantiated from different classes, but in fact this is the effect of using delegates.宋朝，武松为兄报仇，杀死了西门庆与潘金莲，千年之后，两个盗墓贼无意之间挖出了西门庆的尸体，此时正逢天狗食月，发生尸变，吸收了大量生人的阳气，法力大增，心里只记得金莲。在盗墓贼的协助下，找到了杨玉莲和保安小武。为了化解这场危机，一场人尸大战在所难免。在返回的路上他偶然听到苏岸提到几句，尹旭在关中曾有位挂名夫人，似乎和营救子婴有关系。金富贵忙道：我先喝了半碗。华山派大弟子令狐冲生性豁达不羁,初入华山武功平凡,后遇高人授以“独孤九剑”,更意外取得五岳各派剑法精髓,因而引致师父岳不群的猜疑,借口逐出师门。其实岳不群表面正直,内里奸诈,为独得旷世秘笈“葵花宝典”,竟设计谋令武林各派相互暗算,唯最终作法自毙.令狐冲自幼与不群之女岳灵珊情投意合,岂料林平之的出现,令岳灵珊转投其怀抱。后令狐冲结识黑木崖首领的独女任盈盈,二人志趣相投。几番生死误会之后,彼此才明白互相深爱对方,然而盈盈已身中剧毒,奄奄一息.经历了世间的霸权纷争,令狐冲与任盈盈终于知音共赏,结为伉俪,从此笑傲江湖。The attack is mainly aimed at client devices, and the router may not need to install updates.