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
- banxia houpo decoction
- banxia xiexin decoction
- Banxico
- Banxuan Ji
- banyan
- Banyangjiao 1 Song shipwreck at Zhangzhou
- Ba nyod
- Ban Yong
- Ban Zhao
- BAO
- Bao Aijun
- Baoan costume
- Baoand His Son
- Bao'an Hu
- Bao Bichen
- Bao by Mistake
- Baochang
- Bao Changhuo
- baochan wuyou powder
- Bao Chao's Merits in the Western Regions
- Bao Chengxian
- Baocheng Zhen
- Baochi Tuina
- Baochuan Shipyard Shipbuilding Site of Ming Dynasty at Nanjing
- Baochu Pagoda