英语语法分析

During the macadamize process, attention to the flatting combination layer reverse mortar, if there are some polluted tile, please use the water to clean at once.

铺装时注意找平结合层砂浆反浆，如有污染砖面应马上用水清洗干净。

Joint filling 48 hours after macadamize, use the mixture of cement and crushed sand with 1:0.5 to fill, after that, use the water to clean roughly the tile surface.

铺装48小时后进行填缝，用水泥与石粉以1：0 . 5的比例确实填满砖缝，并确实地把砖面用清水清洗干净。