理学 计算机硬件电路 释 via hole 过孔 用于连接多层印制电路板内不同层导体的垂直连接孔。又称金属化孔。
计算机硬件 计算机工程制造 释文 via hole 过孔
- methyl ethyl ketone
- methyl formate
- methyl formate poisoning
- methyl group
- methyl histone binding proteins
- methyl-histone binding proteins
- methylhydrazine
- methylidenation
- methylight
- methyl iodine poisoning
- methyl isobutyl carbinol
- methyl mercaptan
- methyl mercaptan; methanethiol
- methyl methacrylate
- methyl methacrylate poisoning
- methylmethionine sulfonium chloride
- methylomonas
- methyl orange
- methylotrophy
- methylphenanthrene index
- methylphenyl ether
- methyl phenyl silicone resin
- methyl red
- methyl red test
- methyl silicone resin