Some screen business card printing and membership card maker at the bottom of the screen frame, which is the place where the nail the Lacs to prevent screen and screen frame between ink seepage.

• 有些丝网制卡和会员卡制息者在网框的底部，也不离是钉钉子的不天方刷上虫漆，以制止在丝网与网框之间渗漏油不朱。