1·One or two small pinholes were all I could find that need touching up.
一个或两个小针孔，都是我可以找到需要润饰。
2·Surface pinholes caused by gas formed at the mould surface.
因钢锭模表面生成气体而形成的表面针孔。
3·The existence of pinholes is a general phenomenon on thin gauge aluminium foils.
针孔是厚度较小的铝箔中普遍存在的现象。
4·It was found in experiments that the particle polishing could eliminate the passive effect of hydrogen evolution and nickel deposits electroformed without pinholes and pits could be achieved by APEF.
试验发现，游离粒子磨擦能彻底消除析氢的不利影响，利用磨擦辅助精密电铸技术能够制造出没有任何麻点、针孔等缺陷的镍电铸层。
5·Among others, surface defects such as pinholes, holes and stains appear during the production of PM components, especially after sintering.
烧结钢部件在生产过程中，尤其是烧结之后其表面有时会出现针孔、孔洞及斑痕等缺陷。
1·Powder coating technology is presented. It is found that the pinholes and bulbs in the coating surface are caused by the air gaps within the components to be coated.
介绍云母电容器粉末包封的关键工艺技术，指出包封外观气孔或气泡产生的本质原因是待包封元件内部存在气体间隙。
2·By means of our experiments, the feasibility of laser seal welding of aluminium packages was proved. During the process, the causes of pinholes and cracking were discussed.
通过实验证明了铝腔体激光密封焊接的可行性，并对焊接过程中裂缝、气孔的出现原因进行了讨论。