The backing plate shall be welded with matching electrodes so that the weld on the clad side is flush with the backing plate surface. 底板用配套焊条焊接,使复层侧的焊缝与背衬板表面齐平。
Floor: Rigid building assembly that divides space horizontally into stories. It forms the bottom of a room. The backing plate shall be welded with matching electrodes so that the weld on the clad side is flush with the backing plate surface. 地板:刚性的建筑构件,将空间水平划分成楼层。地板构成房间的底部。底板用配套焊条焊接,使复层侧的焊缝与背衬板表面齐平。