surface trawl 中文意思是什麼
surface trawl
解釋
表層拖網-
Current indices of departure intervals and trawl speeds which both feature the rapidness of metro are not satisfactory and should be noticed while surface communication is speeding up
摘要地鐵交通快捷特徵的指標發車間隔和旅行速度並未達到令人滿意的程度,在地面交通快速化之後能否保持優勢值得關注。
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