pit underpinning坑式托换;地基处理坑式托换
Foundation underpinning基础托换
underpinning structure托换结构
Biological Underpinning生物性基础
piling underpinning桩式托换
second underpinning二次托换
structural underpinning结构托换
underpinning work托换基础工程
Underpinning Method托底工法
As a result of research, the author puts forward increasing supporting-point underpinning technology.
通过研究提出了增设支点框架托换技术。
参考来源 - 房屋结构托换技术研究V-T（及物动词） If one thing underpins another, it helps the other thing to continue or succeed by supporting and strengthening it. 支撑; 加固
...mystical themes that underpin all religions.
...支撑所有宗教的神话主题。
N-VAR（有变体名词） underpinning
...the economic underpinning of ancient Mexican society.
...古代墨西哥社会的经济基础。