1.һνսȥ·ʾӲȻԶװ
2.Ȼ򿪡ѽѽUSBͼ1Connect DeviceUSBһЩϢͼ2
3.֮ݡOnceһΣͼ3Ȼ󿪷ͨUSBݹͼ3ʾ
