pinhole是什么意思？

pinhole

例句

• Making the clear picture for deburring i . e . pinhole. 制作每工序的清晰的去毛刺图示化的作业指导书.
• And purchases special callipers to survey pinhole. 并且购买特殊的卡尺来测量销孔.
• Desd - foldcharacteristics, non - polluting, pinhole for pelling off, uniformly thickness and width , adequate adequate adhesiveness along its full length, and high durability. 易折叠, 无污染, 易剥离, 宽度及厚度协调粘贴度强,经久耐用.