A.Lte-fi B.上網(wǎng)卡 C.MIFI D.CPE
A.2000,500 B.1000,200 C.2000,400 D.1000,500
A.100M,0.03秒 B.150M,0.05秒 C.100M,0.05秒 D.150M,0.03秒