【判断题】玻璃砖墙砌筑完后,立即进行表面勾缝。勾缝与抹缝之后,应用布或棉纱将砖表 面擦洗干净,待勾缝砂浆达到强度后。用玻璃胶涂敷。也可采用矽胶注入玻璃砖间隙勾 缝。 ( )
【简答题】石墙的勾缝要求()、(),不得有()等。
【单选题】石墙的灰缝应在最后用( )水泥砂浆统一勾缝。
【单选题】听力原文:Lisa was an attractive young woman, and she always combed her hair neatly and wore pretty clothes. She worked in a small town and earned enough money to take a vacation in the mountains during th...
【单选题】常见的勾缝形式有多种,常用于石墙的勾缝是()。