短语词组短语docking bridge awning beam 尾桥楼天幕横梁docking bridge deck 船尾桥楼甲板docking bridge awning boom 尾桥楼天幕直梁docking bridge awning stanchion 尾桥楼天幕柱docking bridge 's wing 艉翼望台 返回 docking bridge