例句 /

The shearing rigidity of slabs is great effected by the cavum, especially to perpendicular slabs, slanting cracks always arises on endlong ribs.

The shearing rigidity of slabs is great effected by the cavum, especially to perpendicular slabs, slanting cracks always arises on endlong ribs.

开孔对板的抗剪性能影响很大,对于横孔板,剪力较大时会在纵肋上出现斜裂缝,而且横孔板的抗剪性能明显没有顺孔板好。