pinholing
美 英
例句
The small rust areas exhibits only minor pinholing through the surface.
很小的锈迹,仅仅针眼大小。
Discussing the Cratering and Pinholing Defects in the Static Electricity Spray of Powder Coatings
粉末静电喷涂中缩孔、针孔弊病的探讨