The inner wall cancer should be scraped to the cement mortar surface first, and then the concrete reverse osmosis water blocking agent + wall cancer treasure should be used to provide double-layer protection
The inner wall cancer should be scraped off to the cement mortar surface, and then concrete reverse osmosis water blocking agent and wall cancer treasure should be used to provide double-layer protection
The cancer on the inner wall shall be scraped to the cement mortar surface first, and then the concrete reverse osmosis water blocking agent + wall cancer treasure shall be used to provide double-layer protection<br>