aluminum foil

1.Therefore, in order to guarantee aluminum foil paper cards and membership cards and bearing in mind the production quality materials and master lixivial.

因此，为包管纸制卡和会员卡制作质量，夺目质料采取和把持技。

2.Finally, a mechanism of AC etching for aluminum foil in HCl and a theoretical rule for choosing electroetching conditions were suggested on the results.

根据这一理，提出了交流腐蚀工优化原则，并用实验对这一原则进行了初步验证。