Ⅰ型L类、W类聚氯乙烯防水卷材的断裂伸长率应不小于150%。( ) 发布时间:2017-07-04 12:41 │ 来源:www.tikuol.com 题型:判断题 问题: Ⅰ型L类、W类聚氯乙烯防水卷材的断裂伸长率应不小于150%。( )
题型:判断题 Are you good at your _____ at school? [ ]A. school work B. school works C. schoolwork D. schoolworks 查看答案