筛板塔盘就是简单的带孔金属板。

Sieve trays are simply metal plates with holes in them.

youdao

金属铜的电阻率低，所以在印制电路板中，用来制备铜箔及双面板、多层板的孔金属化方面采用镀铜工艺。

The resistance of the copper rate is low, so in printed circuit board, used to prepare copper foil and double panel, produce multilayer prototypes via metallization copper with on the process.

youdao

机器在金属薄板上冲出一排孔。

The machine punches a row of holes in the metal sheet.

《牛津词典》