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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.A short voice said, "My ship is turning right";陈启挂掉手机，然后打了一辆出租车。The main target of link attacks is the link bandwidth resources on the backbone network, and the attack process is roughly as follows自他弃文投军以来，看的最多的书是除了兵法类的。太子被废，年姝媛不离不弃，孝庄病危之际，二人出宫祈福令康熙大为感动。大阿哥在惠妃的撺掇下陷害废太子的事情败露，太子复立。与此同时，年羹尧出征得胜归来，实力日益庞大。而深藏不露的四阿哥终于正式开始了他的夺嫡夺美人之路。单纯的太子还是抵不过一次次遭人陷害，太子再次被废，并株连了一大批朝廷重臣，包括年姝媛的父亲。年姝媛为了救自己的家人和太子，被迫嫁给四阿哥，太子则为夺回皇位和年姝媛，拉拢三阿哥与八阿哥重夺太子之位，而这一路走来路途却更加艰辛，最终，太子是否能够夺回皇位和他深爱的年姝媛？ 详情