Cylindrical laminated veneer lumber (LVL) is a new type of structural wood composites.A spiral winding method has been used in the manufacture of cylindrical LVL with helical interlocked grain.

• 圆筒形单板层积材(简称圆筒LVL)是一种新型木质工程材料,它是以螺旋缠绕的方式将单板加工成交错层积的构造,从而抑制弹性模量的下降。