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
- ventilation structures
- ventilation system
- ventilation system optimization
- ventilation wall
- ventilation window
- ventilation with underground air
- ventilator
- ventilator associated pneumonia
- ventilator-associated pneumonia
- venting subsystem
- ventral
- ventral canal cell
- ventral diaphragm
- ventral fin
- ventral ganglion
- ventral gland
- ventralia
- ventral lobe
- ventral mesentery
- ventral mesogastrium
- ventral muscle
- ventral nerve cord
- ventral pancreas
- ventral platelet
- ventral plug