| 释义 |
[midspan] clearance between conductors and overhead ground wires杆距间导线对架空地线间隔；（档距中间）导线对架空地线净空距离[midspan] clearance between conductors and overhead ground wires桿距間導線對架空地線間隔；（檔距中間]導線對架空地線淨空距離電機工程[midspan] clearance between conductors and overhead ground wire |