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
- open-circuit voltage, OCV
- open circular DNA 开环
- open circulating water system
- open circulation theory
- OpenCL
- open-closed set
- open-closed supplementation and draining method
- open cluster
- open cluster of galaxies
- open cluster of stars
- Open Cold Dark Matter model
- open community
- open complex plane
- open computing language
- open configuration
- open connected set
- open continuous homomorphism
- open covering
- open craniocerebral injury
- open curve
- open-cut excavating
- open-cut foundation
- open cut method
- open-cutting works
- open cybernetic system