无缝钢管、焊接钢管、铜管、不锈钢管等管材，管径宜以（）表示 ["A、外径DX壁厚","B、内径D","C、公称直径DN","D、以上都是"] （）is a railway container transportation linking both end of the oceans. ["Bridge transport             ","Land transport","Land bridge transport        ","Cross continent transport"] 尽头线的有效长，顺向道岔时为（）的距离。（A、4、X）[05-00-03-01][010101] ["尖轨尖端至车挡","警冲标至车挡","警冲标至车挡前10m处","尖轨尖端至车挡10m处"] （） is based on logistics network, but more computerized and systematized than logistics operation ["Virtual logistics  ","Imaginary logistics  ","Thinking logistics","Logistics planning"] 水煤气输送钢管、铸铁管等管材，管径宜以（）表示 ["A、外径DX壁厚","B、内径D","C、公称直径","D、ND以上都是"] 路线纵断面图中，图样在图纸的上部，有两条从左至右贯穿全图的线，即（）和设计坡度线，并标注了竖曲线、水准点和桥涵的位置。