水泥砂浆层 meaning in Chinese

cement sand bed

Ansi a108 . 1 - 1992 specifications for contractors option : installation of ceramic tile in the wet - set method with portland cement mortar or installation of ceramic tile on a cured portland cement mortar bed with dry - set or latex portland cement mortar included in ansi a108 . 1 - 1992
签约人的选择规范：用湿处理方法使用普通水泥砂浆铺设瓷砖或用干处理方法使用普通水泥砂浆层或乳胶普通水泥砂浆铺设瓷砖