基本解釋雙線,雙軌同根派生 double-line相關詞英漢例句For strong sewing use double, not single thread.為了縫得牢，用雙線，而不要用單線。You can right-click again to switch back to double line ducts.您可以再次右鍵單擊管道形狀以切換回雙線管道。double-line更多例句