posttensioning是posttension的现在分词
posttension
美 [poʊst'tenʃənɪŋ]
英 [pəʊst'tenʃənɪŋ]
- un.后张；后加拉力
- 网络后涨法
过去分词：posttensioned 现在分词：posttensioning 第三人称单数：posttensions
v. | 1. to strengthen reinforced concrete by applying tension to the reinforcing steel after the concrete has set |