aThis 8ft flange kit can be used with 2pcs of 2x4 fixture. 这8ft耳轮缘成套工具可以使用与2x4装置2pcs。[translate] aIn this case, the frames(A) should keep the same width. 在这种情况下,框架(A) 应该保留同一个宽度。[translate]