什么是砂浆饱满度,要求是什么?如何保证?
灰缝的砂浆饱满程度,要求不低于 80%,
其保证措施为:采用和易性好的砂浆;砖砌筑前浇水湿润;采用“三一”砌砖法。
暂无解析
RawdonCrawleyhadalreadyfoughtthreebloodyduels,inwhichhegaveample________ofhiscontemptfordeath.
Thethiefmadea____attheoldlady?spurse.
我国第一部历史新闻学著作是()
Inthemiddleoftheseotherwise_____plainsisastrikingrangeofmountains.
Ithasallthe_____ofagooddetectivestory.