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目前在通信方面，在這么通信工程的時(shí)候，遇到不少企業(yè)在租借E1（2M）線路利用PCM設(shè)備傳輸語(yǔ)音電話、音頻等業(yè)務(wù)。可能大部分企業(yè)只對(duì)E1線路帶寬了解，而E1線路的具體知識(shí)點(diǎn)還是不太了解。1、一條E1是2.048M的鏈路，用PCM編碼。2、一個(gè)E1的幀長(zhǎng)為256個(gè)bit,分為32個(gè)時(shí)隙，一…
2024-5-2 0:29:14[未知IP0801]網(wǎng)友
2004歐洲杯英格蘭小組None None None None None
2024-5-2 0:18:39[未知IP0801]網(wǎng)友
東莞市歐洲杯None None None None None
2024-5-2 0:08:04[未知IP0801]網(wǎng)友
2016 西班牙 歐洲杯None None None None None
2024-5-1 23:58:11[未知IP0801]網(wǎng)友
歐洲杯 捷克出線時(shí)間排名None None None None None
2024-5-1 23:47:57[未知IP0801]網(wǎng)友
往年歐洲杯哪些股票上漲http://www.sztspi.com/user/19306 http://www.sztspi.com/user/536213 http://www.sztspi.com/user/77796 http://www.sztspi.com/user/568914 http://www.sztspi.com/user/216311
2024-5-1 23:37:22[未知IP0801]網(wǎng)友
宿命之戰(zhàn)歐洲杯h(huán)ttp://www.sztspi.com/user/566911 http://www.sztspi.com/user/97769 http://www.sztspi.com/user/86309 http://www.sztspi.com/user/49336 http://www.sztspi.com/user/16305
2024-5-1 23:26:47[未知IP0801]網(wǎng)友
歐洲杯女排荷蘭比分直播http://www.sztspi.com/user/98468 http://www.sztspi.com/user/48959 http://www.sztspi.com/user/19837 http://www.sztspi.com/user/79227 http://www.sztspi.com/user/48959
2024-5-1 23:16:12[未知IP0801]網(wǎng)友
熱議女排讓路歐洲杯h(huán)ttp://www.sztspi.com/user/285410 http://www.sztspi.com/user/49277 http://www.sztspi.com/user/360910 http://www.sztspi.com/user/17077 http://www.sztspi.com/user/964411
2024-5-1 23:10:12[未知IP0801]網(wǎng)友
佳悅歐洲杯h(huán)ttp://www.sztspi.com/user/86308 http://www.sztspi.com/user/72228 http://www.sztspi.com/user/56788 http://www.sztspi.com/user/36268 http://www.sztspi.com/user/76925
2024-5-1 23:05:37[未知IP0801]網(wǎng)友
歐洲杯沖突事件有哪些http://www.sztspi.com/user/471613 http://www.sztspi.com/user/754613 http://www.sztspi.com/user/23983 http://www.sztspi.com/user/23339 http://www.sztspi.com/user/25156
2024-5-1 22:55:02[未知IP0801]網(wǎng)友
烏克蘭和俄羅斯足球歐洲杯h(huán)ttp://www.sztspi.com/user/87287 http://www.sztspi.com/user/16058 http://www.sztspi.com/user/37488 http://www.sztspi.com/user/10798 http://www.sztspi.com/user/97947
2024-5-1 22:44:26[未知IP0801]網(wǎng)友
歐洲杯直播免費(fèi)HDhttp://www.sztspi.com/user/89038 http://www.sztspi.com/user/47868 http://www.sztspi.com/user/36787 http://www.sztspi.com/user/15337 http://www.sztspi.com/user/114516
2024-5-1 22:33:51[未知IP0801]網(wǎng)友
葡萄牙歐洲杯徽章http://www.sztspi.com/user/47359 http://www.sztspi.com/user/24519 http://www.sztspi.com/user/40466 http://www.sztspi.com/user/24866 http://www.sztspi.com/user/54576
2024-5-1 22:23:38[未知IP0801]網(wǎng)友
歐洲杯20210618http://www.sztspi.com/user/20758 http://www.sztspi.com/user/412811 http://www.sztspi.com/user/669110 http://www.sztspi.com/user/90837 http://www.sztspi.com/user/25906
2024-5-1 22:13:03[未知IP0801]網(wǎng)友
歐洲杯足球啤酒比賽http://www.sztspi.com/user/24299 http://www.sztspi.com/user/50209 http://www.sztspi.com/user/57697 http://www.sztspi.com/user/24637 http://www.sztspi.com/user/76034
2024-5-1 22:02:27[未知IP0801]網(wǎng)友
歐洲杯有足彩嗎http://www.sztspi.com/user/690110 http://www.sztspi.com/user/59497 http://www.sztspi.com/user/15008 http://www.sztspi.com/user/85995 http://www.sztspi.com/user/71024
2024-5-1 21:52:35[未知IP0801]網(wǎng)友
歐洲杯抽簽流程圖文解讀http://www.sztspi.com/user/30447 http://www.sztspi.com/user/987711 http://www.sztspi.com/user/93237 http://www.sztspi.com/user/55909 http://www.sztspi.com/user/648418
2024-5-1 21:42:21[未知IP0801]網(wǎng)友
歐洲杯小藝解說(shuō)http://www.sztspi.com/user/312210 http://www.sztspi.com/user/405410 http://www.sztspi.com/user/46025 http://www.sztspi.com/user/31539 http://www.sztspi.com/user/238611
2024-5-1 21:32:07[未知IP0801]網(wǎng)友
布馮再無(wú)歐洲杯視頻http://www.sztspi.com/user/586516 http://www.sztspi.com/user/80597 http://www.sztspi.com/user/176510 http://www.sztspi.com/user/816412 http://www.sztspi.com/user/52897
2024-5-1 21:21:32[未知IP0801]網(wǎng)友
歐洲杯各隊(duì)排行名次http://www.sztspi.com/user/95528 http://www.sztspi.com/user/921610 http://www.sztspi.com/user/90679 http://www.sztspi.com/user/77729 http://www.sztspi.com/user/58947
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