VPC take off line系列: 触摸型:VT212e VT215e VT217e VT221e VT212b VT215b VT217b VT221b 按键型:VK212b VK215b 触摸+按键型:VKT212b VKT215b 详情请登录: http://www.lauer-systeme.net/sides/vpc/vpc_touch_e.htm