未知题型
目前,常用的防水油膏有 __________、__________和__________、__________、__________、__________和__________等
【参考答案】
["沥青嵌缝油膏","聚氯乙烯接缝膏","塑料油膏","丙烯酸类密封膏","聚氨酯密封膏","聚硫密封膏","硅酮密封膏......
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