unloaded waveguide

例句：

1. 1.The engineer unloaded the heavy equipment from the truck.
   工程师将重型设备从卡车上卸下。
2. 2. The unloaded waveguide was carefully inspected for any damage.
   卸载的波导被仔细检查，以确定是否有损坏。
3. 3.The unloaded waveguide was then connected to the main cable.
   然后，卸载的波导被连接到主电缆。