Warning: file_put_contents(/www/wwwroot/ppbbu/73904.com/cache/59ce6e3e4009085312ee8ab1aeea8305.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/73904.com/index.php on line 55 launching erection例句_launching erection英汉例句_launching erection双解例句_骑士汉英词典
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。