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
- abstraction by identification
- abstraction class
- abstraction interpretation
- abstraction mapping
- abstraction of actual infinity
- abstraction of potential realizability
- abstraction of value
- abstraction operator
- abstraction principle
- abstraction reaction
- abstraction sequence
- abstraction theorem
- abstract journal
- abstract kernel
- abstract linear space
- abstract machine
- abstract manifold
- abstract mapping
- abstract mathematics
- abstract metaclass
- abstract model
- abstract model theory
- abstract network
- abstract nonsense
- abstract nonsingular curve