基本解釋[交通運輸工程]安全凈空高度英漢例句雙語例句The electric clearance check of tower head is an important measure to ensure the safe operation of overhead transmission line.塔頭電氣間隙校核是保證架空輸電線路安全運行的重要措施。safe overhead clearance更多例句專業(yè)釋義交通運輸工程安全凈空高度