1. 空中加油導管連結在飛機油箱上長的套空管，油料通過它流向空中被加油的飛機
   A long hollow tube attached to a tanker aircraft, through which fuel flows to another aircraft being refueled in flight.
2. 截導管這種管子的一部分或一段
   A section or piece of such a tube.
3. 管子，導管，輸送管用來輸導液體、氣體或固體細末的管狀中空圓柱體
   A hollow cylinder or tube used to conduct a liquid, gas, or finely divided solid.
4. 這是包電線的導管。
   It's a conduit enclosing insulated electric wires.

導的英語翻譯：

管的英語翻譯：