堆叠高度，每钻咀的最大钻次，进刀速度是否对板材类型，板厚，曾数，与孔尺寸进行管控？

Is the stack height, maximum hit per drill bit, and feeds and speeds as a function of laminate type, board thickness, layer count and hole size controlled properly?

youdao

刮痕：由污物、不正确的处理、砂砾、乳剂堆积和特定类型的胶片损伤导致的胶片刮伤(例如：齿孔磨损)。

Abrasion Marks: Scratches on film caused by dirt, improper handling, grit, emulsion pile-ups, and certain types of film damage (e. g., torn perforations).

youdao

轴向管胞之间、轴向管胞与射线薄壁细胞之间、轴向管胞与射线管胞之间，均有不同类型的纹孔对。

There are different types of pit-pair between the axial tracheids. the axial tracheid and the ray parenchyma, the axial tracheid and the ray tracheid.

youdao