美女胸被狂揉扒开吃奶的网站o_亚洲日韩av中文无码专区_东京热激情无码专区_久久HEZYO久综合亚洲色_欧美成人高清视频_国产精品乡下勾搭老头_欧美一级v片在线播放_成人午夜国产视频_男女猛烈无遮挡免费动态图_亚洲一区国产精品视频

請說明標(biāo)準(zhǔn)明稱

Multi-element metallic
cables used in analogue
and digital
communication and
control —
Part 4-1: Sectional specification for
screened cables characterised up to
600 MHz — Horizontal and building
backbone cables

BS EN
50288-4-1:2003

http://www.jqgyxcq.com.cn/loadoo.asp?Rname=zhaogy2006&IID=55184

Multi-element metallic
cables used in analogue
and digital
communication and
control —
Part 4-2: Sectional specification for
screened cables characterised up to
600 MHz — Work area and patch cord
cables
BS EN
50288-4-2:2003

http://www.jqgyxcq.com.cn/loadoo.asp?Rname=zhaogy2006&IID=55185