PDIUSBD12 完全符合USB1.1 版的规范它还符合大多数器件的分类规格成像类海量存储器件 通信器件打印设备以及人机接口设备-PDIUSBD12 in full compliance with USB1.1 version of the specification also in line with most Device Class specifications imaging mass storage device class printing equipment, communi