固定电话初装费
installation fees for fixed-line telephones
固定电话网络
public switched telephone network
固定电话运营商
fixed phone carrier
fixed-line telecom carrier
《陆海军联合无线电话电报规程》
Joint Army and Navy Radiotelegraph and Radiotelephone Procedure
市内电话电话号码配换选号
Selection or Change of Telephone Number
coflex脊柱动态稳定固定系统
Coflex dynamic stability system
表面固定电荷密度
surface fixed electronic charge density
单用户固定台
FSU:Fixed Subscriber Unit
导航用固定电信网
aeronautical fixed telecommunication network
导航用固定电信网络
telecommunication network
aeronautical fixed