1. Centrifugal concrete-filled steel tube is a special kind of composite structure which is made of tube thin-wall steel tube with a centrifugal concrete tube inside. 离心钢管混凝土是一种将混凝土浇灌在钢管内经离心成型的空心复合构件,它是钢管内壁灌注离心混凝土管的一种特殊的钢管混凝土形式。
2. Centrifugal concrete-filled steel tube is a special kind of composite structure which is made of tube thin-wall steel tube with a centrifugal concrete tube inside. 离心钢管混凝土是一种将混凝土浇灌在钢管内经离心成型的空心复合构件,它是钢管内壁灌注离心混凝土管的一种特殊的钢管混凝土形式。
3. Main structures: miscellaneous-spot structure, star-scattered structure, laminated structure, plate structure, lenticular structure, micro-vein structure, local fragmentation and wrinkle structure. 主要构造:斑杂状构造,星散浸染状构造,纹层状构造,板状构造,透镜状构造,微脉状构造,局部可见碎裂状、皱纹状构造。
4. Effect coefficient on out-of-plane torsion stiffness of frame-tube structure is presented originally and a simple analysis method of torsion deflection of a tube-in-tube structure is developed. 首次提出了框筒结构的平面外抗扭刚度影响系数的概念,在此基础上提出了筒中筒结构扭转位移的简化计算方法。
5. Wild tomatoes, for instance, are very small and round, but through selective breeding we now have cultivated tomatoes that may be pear-shaped, egg-shaped, or even donut-shaped. 例如,野生西红柿很小很圆,但是通过选种培育,我们现在可以种植出像梨的形状、鸡蛋形状甚至环形。
网络释义
Saucer with lotus petal-shaped rim and cavetto-shaped body 莲瓣口折腰碟;
Saucer with lotus petal-shaped rim and cavetto-shaped body 莲瓣口折腰碟;
Flat Wire Half Round Wire Shaped Wire and Precision Shaped Fine Wire 扁线、半圆线及异形线;