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yx75-230-690(690型)楼承板|压型钢板
yx75-200-600(600型)楼承板|压型钢板
yx76-305-915(915型)楼承板|压型钢板
yx76-344-688(688型)楼承板|压型钢板
yx51-180-720(720型)楼承板|压型钢板
yx51-254-760(760型)楼承板|压型钢板
yx51-342-1025(1025型)楼承板|压型钢板
yx51-250-750(750型)楼承板|压型钢板
yx51-226-678(678型)楼承板|压型钢板
yx51-240-720(720型)楼承板|压型钢板