网络与数据通信 协议体系与组成结构 释文 private branch exchange, PBX 专用小交换机
- bale wrapper
- Balfour Declaration
- Balfour Declaration（1926）
- Bal Gangadhar Tilak
- B*-algebra
- Bali
- Balian-Werthamer state
- Balian Werthamer states
- Baligang
- Baligang Site
- Balihe Zhen
- Balikun horse
- Balinese
- Balinese dance
- baling
- Baling Bridge
- baling hay
- baling machine for staple fiber
- Baling opera
- Baliqiao
- Bali Road Map
- Bali roadmap
- Bali sardinella
- Balkan League
- Balkan Wars