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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.鲁三护着香荽，和白果站在贡院对面文墨铺子的廊檐下，看着那些老老少少的书生，面目憔悴地涌出来，不禁唏嘘道：这真是受罪。故事发生在海滨旅游胜地永平市，它通过碧海旅行社总经理齐凤瑶、永平市最大的旅行社总经理苏江礼、宏海贸易公司总经理曾晖及导游员张婷婷等之间发生的一连串矛盾纠葛，揭示出在社会主义市场经济条件下，多行不义必自毙，惟有诚信待人处事走正道方有好报的道理。他是一手掌控着整个sh市经济，政治命脉的穆家嫡长孙。 她是夏家刚找回失落多年的嫡出大小姐。 怀胎三月被毁容后丢下滔滔大江，这般万劫不复之地，究竟是谁救了她？晴空利用自己的聪慧，在穆家大少爷穆辰浩的帮助下，一步一步让那些伤害过她的人付出应该付出的代价(3) When anchoring, in addition to the lights specified in Item (1) of this paragraph, the lights or types specified in Article 30 for anchoring ships shall also be displayed.1. Senior high school students: For candidates majoring in flight technology, foreign languages are limited to English. Admission is determined according to the admission score line designated by the Ministry of Education and the General Administration of Civil Aviation (it is generally required that the total score of the college entrance examination should reach the admission score line of the second batch of ordinary arts and sciences undergraduate courses in that year) and the minimum English control line. Candidates are ranked according to their college entrance examination scores, and are admitted on the basis of merit from high to low scores.邱嬷嬷顿时一惊，转而怒视素谨。