box-box  订

box-box connection  双母螺纹接头; 批

Junction Box， Connection Box， Connector Box  分线盒

rf ion source rf  离子源

Rf value Rf  比移值; 值

Box Body， Box Cover  盒体、盒盖

box-girder and box-pier  箱梁与箱形墩

box-on-box  可编程片上系统

box-on-box type substructure  箱叠式底座

box-type negative-pressure boiling dry-box  箱式负压沸腾干燥箱

continuous box girder with one box double cells  单箱双室连续箱梁

Goldberg-Hogness box (TATA box) TATA  框盒

internet in a box software Internet in a box  软件

single box double room box girder  单箱双室箱梁

315 RF module  315射频模块

915 MHz RF Transceiver system  915MHz收发系统

Almost a-RF  几乎α-远城族

and Digital RF remote system  数字射频拉远系统

antenna RF performance  天线射频性能

Anti-RF  防射频