您要查找的是不是：
- Provider Backbone Bridge (PBB) 运营商骨干桥接
- Provider Backbone Bridge(PBB) 运营商骨干网桥
- provider backbone bridge 提供商骨干网桥
- provider backbone bridging 运营商骨干网桥接
- Packet Transport Network (PTN) technology includes the Transport Multi-Protocol Label Switching (T-MPLS) and Provider Backbone Transmission (PBT). 分组传送网(PTN)技术包括传送多协议标签交换(T-MPLS)和运营商骨干传送(PBT)。
- provider backbone bridge-traffic engineering PBB-TE
- Provider Backbone Transport(PBT) 运营商骨干网传送
- These men are the backbone of the country. 这些人是国家的中坚力量。
- Standing up to bullies takes plenty of backbone. 勇敢地对付暴徒需有大无畏精神。
- And the suspension bridge from hanging vines. 悬索桥受到了悬挂着的藤的启发。
- The backbone is an articulate structure. 脊椎骨是一种关节相连的结构。
- The frail wooden bridge cracked. 这座不牢固的木桥断裂了。
- I have not the least idea about how to play bridge. 我一点儿不知道怎样打桥牌。
- As the day was wet we stopped in and played bridge. 由于下雨，我们没出去，在家打桥牌。
- I think I'm lost; I can't find the bridge. 我想我是迷路了，我找不到那座桥了。
- The old bridge gave away by the recent flood. 最近一场洪水冲坍了那座旧桥。
- The car rushed at the bridge at astonishing speed. 汽车以惊人的速度向桥冲过去。
- Politeness will bridge over many difficulties. 举止文雅会使你渡过许多难关。
- Sometimes they played bridge together. 有时他们在一起打桥牌。
- It's a bridge of steel framework. 那是座钢铁结构的桥梁。
