楼承板天志楼承板压型钢板分为开口楼承板,全闭口楼承板和燕尾式楼承板开口楼承板型号:yx51-305-915(915型)楼承板|压型钢板yx51-240-720(720型)楼承板|压型钢板yx51-226-678(678型)楼承板|压型钢板yx51-250-750(750型)楼承板|压型钢板yx51-342-1025(1025型)楼承板|压型钢板yx51-254-760(760型)楼承板|压型钢板yx51-180-720(720型)楼承板|压型钢板yx76-344-688(688型)楼承板|压型钢板yx76-305-915(915型)楼承板|压型钢板yx75-200-600(600 |