理学 计算机硬件电路 释 plated through hole 金属化孔 作名词时与过孔（即通过化学、电镀等工艺在绝缘孔壁上生成导电金属而制作出的过孔）意义相同；作动词时，其意义为将孔金属化。
计算机硬件 计算机工程制造 释文 plated through hole 金属化孔
- Brillouin
- Brillouin function
- Brillouin functions
- brillouin optical time-domain reflectometry
- Brillouin scattering
- Brillouin shift
- Brillouin spectrum
- Brillouin zone
- Brillouin zone folding effect
- Brillouin zones
- brim
- Brimming with Joy
- Brimstone Hill Fortress National Park
- Brindisi
- brine
- brine electrolysis
- Brinell
- Brinell hardness
- Brinell hardness tester
- brinelling
- Brine potash deposits in Dead Sea Basin
- brine shrimp
- Bring
- bring clothes
- bring forth the new through the old