14| 0
|
YDT 1018-1999 使用自适应差分脉冲编码调制ADPCM和数字话音插空DSI的数字电路倍增设备 |
| ||
|站长QQ:22646427|Archiver|手机版|小黑屋|查规范网
( 粤ICP备2024184902号-1 )|网站地图
GMT+8, 2025-5-15 18:20 , Processed in 0.135616 second(s), 42 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.