During fabrication slots for the stringers flanges were flame cut into box girders.制造时,为安装纵梁翼缘,在箱型梁中用焰割法开槽口.The web and flanges of the main girders were fabricated from ASTM A 441 steel.主梁的腹板和翼缘用ASTMA441钢制造.The block is ...
His team retreated last night with tails tucked firmly between their legs.昨晚，他的队伍灰溜溜地退场了。He retreated behind a veil of cigarette smoke.他隐藏在一层香烟烟雾之后。The police retreated at a sprint.警方快速撤退。...