underpin的过去式是什么?underpin的用法和例句

underpin有用砖石结构等从下面支撑（墙等）;加固（墙等）的基础;加强…的基础;等意思，那么你知道underpin的过去式是什么吗?今天一起来学习一下underpin的过去式以及underpin的用法和例句，希望对大家的学习有所帮助!

underpin的过去式及其它时态

underpin的过去式:underpinned

underpin过去分词:underpinned

underpin现在分词:underpinning

underpin第三人称单数:underpins

underpin的用法和例句

1、The present invention also provides the construction process of the active foundation underpin structure.

本发明还提供了主动桩基托换结构的施工方法.

2、That reality must underpin our partnership.

这一现实必须支撑我们的合作伙伴关系.

3、Producers have, therefore, preferred term sales contracts to underpin upfront investment.

因此, 生产商青睐长期销售合约,以保证前期投资.

4、There are, however, two secular trends that underpin the growth in the industry.

然而, 有两项长期因素支撑着这行业的增长.

5、But private buying is unpredictable and cannot underpin the market in the way dealer - buying used to.

然而,个人收买的数量难以预料,并不能像经销商交易那样使市场稳定.

6、If the trend in rising employment continues, it could help underpin consumption levels.

如果就业率的上升趋势得以持续, 将有助于支撑消费水平.

7、That really must underpin our partnership.

我们的伙伴关系必须基于这一现实.