floor batten
1.The installation of wooden floor has two kinds basically: One kind is to use floor glue to be stuck directly indoors on cement floor, this kind suits ground evenness, small floor spelling wood; The 2nd kind is keel having wood is worn on place area, ground batten the hammer is on wooden keel, this kind suits strip wood floor.
2.Moreover,with the datum come from calculation and test,it seams that after the number of batten floor n>3 the change of B effected by n is too weak to be ignored. Hence,that indicates it is available that the laterlly buckle of the batten column with the single axis of symmetry could be calculated with B worked out from H-shaped anglicizing element without n.

