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- rigid perimeter beam 刚性环
- The upper and lower chords of the planar truss are in compression.The compression force is counteracted by the tension force provided by the perimeter beam at the top of columns. 从受力上看属于受压壳，平面桁架的上下弦杆均受压，压力由柱顶环梁的拉力来平衡。
- An alternative system for multi-storey fiats and similar large buildings is to erect a framework of load-bearing precast reinforced concrete horizontal perimeter beam units and vertical mullion units. 对于多层公寓或类似的大型建筑来说,另一种选择就是建造一个承重的水平圈梁和竖框预制钢筋混凝土构件框架。
- Guards patrolled the perimeter of the airfield. 卫兵沿机场四周巡逻。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The perimeter of the airfield is protected by guard-dogs. 机场外的环形防卫圈由警犬保卫着。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- Rigid, unimaginative convention. 成规死板的、无想象力的准则
- His answer was right on the beam. 他的答案完全正确。
- The support for the tent is rigid. 帐篷的支柱很坚固。
- The barbed wire fence round the perimeter discouraged intruders. 周围有铁丝网阻止了外人闯入。
- A rigid diet will make you slimmer. 严格节食会使你身材苗条。
- The girl slimmed her figure with a rigid diet. 那女孩严格节食将体重减了下来。
- Beliefs have ossified into rigid dogma. 信仰已僵化为不可更动的教条。
- He struck the beam with his head. 他的头撞到梁上了。
- Guards had been posted at several points around the perimeter. 在环形防线上已布置了几处岗哨。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- Sighted land off the starboard beam. 转向右舷方向便望见了陆地
