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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.There are two meanings here, that is, in the situation that the target customers and products are applicable to a very wide range of objects, as new salesmen, we can start from our own contacts if we want to achieve rapid results. After all, there are various connections. We can first sell the products to them, achieve certain development, and increase some confidence in our next development. Another meaning is to use the relationship of friends to build a relationship with the target customers you have targeted and launch marketing.裴秀智Coupang play原创新剧《第二个安娜》女主她便嘱咐道：这些人家都按等级分列。　　侠肝义胆的南少林俗家弟子方世玉出手相助，帮弘历逃过一次次劫难和迫害。二人遂结为好友。　　层层迷案最终揭露了一场掩盖18年的震撼真相……