posttensioning
n. 后张; v. 使(钢筋)后张(posttension 的现在分词)
n.[建]后张,后加拉力
amphimixis fengtien photoacoustic rehabilitate riukiu swg terrace下载迅蛙App
n. 后张; v. 使(钢筋)后张(posttension 的现在分词)
n.[建]后张,后加拉力
amphimixis fengtien photoacoustic rehabilitate riukiu swg terrace