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
- calculating methods on the economic loss of fishery pollution accidents
- calculating rule
- calculatio and analysis of wind power plant grid interation
- calculation
- calculation experiment of mega projects organization
- calculation map of reserves
- calculation methods of free energy
- calculation method with abacus
- calculation of cleanroom
- calculation of displacement
- calculation of environmental flow in streams
- calculation of hydraulic transients
- calculation of mine ventilation quantity
- calculation of pollution carrying capacity on water function zone
- calculation of possible sunshine by outline shading diagram
- calculation of reserves
- calculation of river surface profile
- calculation of uranium content by delayed fission neutron logging
- calculation of uranium content by prompt fission neutron logging
- calculation of uranium content by uranium gamma-ray logging
- calculation of uranium reserves by gamma-ray logging
- calculation on controlled quantity of pollutants discharge in rivers and lakes
- Calculations
- calculation section map of reserves
- calculations of concentrator equipment