[db:摘要]

[db:摘要]

[db:摘要]

[db:摘要]

[db:摘要]

[db:摘要]

[db:摘要]

[db:摘要]

[db:摘要]

[db:摘要]

Demystifying the role of elastic and waterproof interface agents in plastering plaster 1 Types of interface agents Interface agents are used to treat the surface of objects