理学 计算机硬件电路 释 feed-through;pin-through-hole 通孔 穿透印制电路板所有层的过孔。把引脚插入通孔并在反面焊盘上焊牢，可将元器件固定安装在印制板上。
计算机硬件 计算机工程制造 释文 feed-through, pin-through-hole 通孔
- vacuum sintering
- vacuum solar telescope
- vacuum solar tower
- vacuum sparking
- vacuum spectral region
- vacuum spectrograph
- vacuum spontaneous breaking
- vacuum stability
- vacuum state
- vacuum suction disc
- vacuum surface insulation
- vacuum susceptibility
- vacuum switch device
- vacuum system
- vacuum technique
- vacuum technology
- vacuum telescope
- vacuum tightness
- vacuum tower
- vacuum tower telescope
- vacuum tube
- vacuum tube rectifier
- vacuum tube triode
- vacuum tunneling
- vacuum ultraviolet