[ R70激光[只能扫一维码] MJ-R70 1D ]
[ R70二维[兼容一维码和二维码] MJ-R70 2D ]
[ R75激光[只能扫一维码] MJ-R75 1D ]
[ R75二维[兼容一维码和二维码] MJ-R75 2D ]