Do think about disabling all the USB ports on your hotel's PCs. They are open to abuse and pilferage of (valuable) data.考虑取消酒店内部电脑上的USB接口，防止酒店的数据资料被人盗用。
This system can store product's parameters more than 100 pcs. The touch screen shows every thing in Chinese, operation i可储存产品的参数菜单，最多可存100个产品。全中文触摸屏显示各工作状态，操作指示，故障显示，产量统计，操作简单直观。