槽形板是一种梁板结合的构件。实心板的两侧设有纵肋，相当于小梁，用来承受板的荷载。为便于搁置和提高板的刚度，在板的两端常设端肋封闭。
所述角度限定装置包括起弓形板、槽形板、定向板、横栓和横栓定位板。
The Angle limiting apparatus comprises an arched plate, a trough-shaped plate, an orienting plate, a transverse bolt and a transverse bolt positioning plate.
各支架上设有多个接合槽孔及贯穿孔，T形支架与短t形固定片的腹腔板设有扣钩相扣合。
The supports have slotted notches and through holes. The webs of T-shaped support and short T-shaped fixing piece have cramp hooks.
应用推荐