The shaking table test was conducted to gain an insight into the earthquake resistant performance of a large-span prestressed concrete grillage girderspace frame structure.
利用地震振动台对大跨预应力混凝土井式梁空间框架结构的抗震性能进行了实验研究。
2
Two astronauts spent six and a half hours unhooking a girder from the international space station.
两名宇航员共花六个半小时将一根大梁从国际太空站上取下。
3
Author detailedly discusses calculating method of the wall girder in the big space bottom building and design fundamental.