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
- medicinal crop products
- medicinal crops
- medicinal crops breeding
- medicinal crops cultivation
- medicinal cyathula root
- medicinal engineering fungi
- medicinal evodia
- medicinal evodia fruit
- medicinal fatheadtree
- medicinal for drawing out toxin,suppuration and promoting granulation
- medicinal for external application
- medicinal fungi
- medicinal fungi fermentation
- medicinal indianmulberry
- medicinal mineral
- medicinal organs bioreactor
- medicinal parts of crude drugs
- medicinal pillow thearpy
- medicinal plant
- medicinal plants garden
- medicinal processing with antogonising combination to reduce toxicity or side effect
- medicinal processing with inhibiting combination to reduce toxicity or side effect
- medicinal processing with reinforcing combination to enhance effect
- medicinal processing with restraining combination to reduce toxicity or side effect
- medicinal resources biological engineering