rercement pad 补强板

binding rercement 联合钢筋

rercement plate 补强板

bridge rercement 后叉桥补强

rercement for knees 膝盖绸

in opening rercement 开孔补强

bottom rercement bars 底部钢筋

bottle boss rercement 水壶栓补强

plastic ring for rercement 要有胶圈加固