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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.尹旭将这一切打理的井井有条，越国还因此而日渐强身，这一次自己算是栽了，一败涂地啊。Events are similar to triggers and are started when something happens. When a statement is started on the database, the trigger is started, and the event is started according to the scheduled event. Because they are similar to each other, events are also called temporary triggers.张宇正疑惑不解，说道：娘子，你和玉帝之间，是不是有什么误会？六公主摇摇头，不再说话。刘邦又岂能舍得放走宝贝张良，自然是能避则避，能躲就躲了。率真直爽的美丽女孩瑾瑜（刘诗诗 饰）自幼在狼群中长大，塞北的辽阔粗粝打磨了她坚毅隐忍的性格，而对中原儒家文化的学习也让她对那个春暖花开的国度心驰神往。两次意外，让瑾瑜先后结识来自建安的莫循（胡歌 饰）和卫无忌（彭于晏 饰）。以此为契机，莫循、卫无忌和瑾瑜（改名莘月），启程前往人头攒动、熙攘喧嚣的建安城。几经周折，她在九爷莫循的支持下经营起落玉坊，她对九爷一往情深，后者虽然也喜欢这个率真美丽的女子，却因自身原因不敢越过情感的界限。而在南朝担当大将军卫无忌也尤其喜欢古灵精怪的瑾瑜，为了心仪的女孩情愿早点跳脱凶险非常的宫廷之争。风云激昂的年代，有情人儿的传奇如是上演……