單項(xiàng)選擇題
A.密封防水 B.安裝工藝 C.盤(pán)留安裝 D.進(jìn)纜方式
A.0.3 B.0.6 C.0.8 D.1
A.G.652 B.G.653 C.G.654 D.G.655
A.通信用室(野)外光纜 B.特殊光纜 C.海底光纜
A.0.22dB/km B.0.31dB C.0.36dB/km D.0.4dB
A.填充式結(jié)構(gòu) B.骨架式結(jié)構(gòu) C.帶狀式結(jié)構(gòu)
A.800 B.1000 C.1200 D.1500
A.10 B.15 C.20 D.25
A.150 B.120 C.100 D.80
A.0.8 B.1 C.1.2 D.1.4
A.5cm B.8cm C.10cm D.12cm