thick plaster protective layer 厚抹灰防护面层
Be suitable for the base plane composed by plaster, concrete, masonry, putty of gypsum board and plaster layer.
在各类批灰、混凝土、砖石、石膏板腻子、抹灰层构成基面比较适合。
The paintings were concealed beneath a thick layer of plaster.
那些画被隐藏在厚厚的灰泥层下面。
Through the test of macroscopic performance of the hardened plaster surface which have different fineness, summing up the regularity that the fineness influence surface layer of plaster.
通过对不同细度面层石膏的硬化体宏观性能的测试，总结出细度对面层石膏性能的影响规律。
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