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A circular silk screen with a diameter of 2.5 mm is placed on the silk screen layer to surround the test pad to identify the position of the test point, and the number of the test point is marked beside the silk screen, such as X1, X2, …, etc. The test points shall not be covered with solder resist or text ink.真是他所言？？庞取义沉声问道。How to use the Word column? The so-called column splitting is to set all pages or selected contents of Word documents to multiple columns, thus presenting the column splitting typesetting effect often used in newspapers and magazines.《青春抛物线》生动地描写了一群可爱的中学生，表现了多姿多彩的校园生活，剧中处处以孩子的视角来观察校园生活和成人世界，揭示了当代少年复杂多变、丰富多彩的内心世界，忠实地记录了他们在成长过程中的烦恼和欢乐Although his family has tens of millions of savings, his parents still cannot throw away the thinking of the poor. Stratum solidification actually comes from the attribute of thinking. Poverty is not terrible, but the thinking of the poor caused by scarcity is terrible.