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17
2025-06
一、PCB常用可焊性涂层的特性叙述1.ENIGNi(P)/Au镀层1)镀层特点ENIGNi(P)/Au(化学镀镍、金)工艺是在PCB涂敷阻焊层(绿油)之后展开的。...
16
2025-06
前言:说道到虚拟现实世界,互联网时代有“第二人生”,而区块链时代有“Decentraland”,两者最本质的区别是什么?...
15
2025-06
Jos de Cabo spends a lot of time on social media. But unlike most people who post on Twitter and Facebook to keep up with friends and family, Mr. de Cabo and hi...