arch truss
A truss having an arched upper chord (concave downward) and a straight bottom chord; there are vertical hangers between the two chords.
A truss having an arched upper chord (concave downward) and a straight bottom chord; there are vertical hangers between the two chords.
接受 或继续使用网站，即表示您同意使用 Cookies 和您的相关数据。