| 1. | When water gets into the space between the rock and base or even the interior of the base , there will occur the solution , crystallization and accumulation of salt again and again , thus destroying the structure of murals 当岩层和地仗层之间甚至地仗层内进入了水,反复发生着盐的溶解,结晶,聚积时,就会破坏壁画的结构。 |