Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/2c7d7d31face2d2d644dc5b41a02982f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 boxhaul例句_boxhaul英汉例句_boxhaul双解例句_淳朴汉英词典
This paper describes the construction techniques for incremental launching (hauling) erection of continuous steel box girders over multiple lines of electrified railways. 介紹了跨越多條電氣化鉄路的連續鋼箱梁拖拉施工技術。