单弦杆平板网架由于无下弦杆，因而具有平面外抗弯刚度较低的特点。

The single-chorded plane space truss have the low flexural rigidity out of plane because of lacking bottom chord.

youdao

单弦杆平板网架由于无下弦杆，因而具有平面外抗弯刚度较低的特点。

The single-chorded plane space truss have the low flexural rigidity out of plane because of lacking bottom chord.

youdao