您要查找的是不是：
- 通道channel
- 地下通道underground passage
- 安全通道exit passageway
- 多通道multicenter
- 消防通道fire passage
- 绿色通道green channel
- 双通道twin channel
- 快速通道fast track
- 疏散通道exit passageway
- 单通道single channel
- 工人们正在坚石中挖掘一条通道。The workers were tunnelling through solid rock.
- 我们不得不侧身穿过这狭窄的通道。We had to get through the narrow opening sideways.
- 传输通道transport channel
- 人行通道pedestrian passageway
- Ｄ类通道class D channel
- 三通道triple channel
- 离子通道ion channel
- 洞向地表开有出口的地下的或通向地内的中空或天然的通道A hollow or natural passage under or into the earth with an opening to the surface.
- 主通道critical axis
- 员工通道staffs only
