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
- drilling rig
- drilling rig instruments and gauges
- drilling riser
- drilling riser components
- drilling rock mechanics
- drilling round trip
- drilling semi submersible
- drilling solution mining
- drilling strata microbial characters
- drilling string erosion
- drilling string trouble
- drilling technical economic index
- drilling technical parameters
- drilling technology
- drilling theory
- drilling time
- drilling time curve
- drilling time logging
- drilling tool
- drilling tool bypass valve
- drilling tool weighting scale
- drilling workload index
- drillion
- drill pipe
- drillpipe