polder是什么意思

用法例句

Preliminary Prediction of Earthquake Hazard of Earth Dams and Embankments in Pearl River Delta;

珠江三角洲土坝和堤围震害初步预测

The formulae of assessing seepage piping were deduced under the cases of the embankment of river,deep excavation and mining construction method.

根据工程实际问题,推导了在江河堤围、深基坑开挖和矿山法地铁开挖三种情况下的评定渗流管涌公式,并指出应根据不同情况选用不同的评定渗流管涌公式,及使用中必须考虑的问题。

Based on the practice of project in the Pearl Delta, the author summarizes the application technique of geotextiles used in the embankment project.

通过珠江三角洲工程实践，总结了土工布在堤围工程中的应用技术，而且广泛应用于新建、维护堤围及航道整治工程中。