secondary dam的意思|示意

A series of tests with the portable dynamic penetrometer of type PANDA have been carried out, to inspect the grinding quality of the secondary ash dam.

为检测子级灰坝的碾压质量，运用一种轻便动力贯入仪对粉煤灰进行了一系列现场试验。

The dam of Lingao Reservoir is a rolled earth dam with relative height and the secondary importance grade.

岭澳水库土坝是一座较高的碾压式土石坝，为二级建筑物。

This article bases on practice of building seepage prevention wall in secondary dam of Huangbizhuang reservoir, analyses the causes of the accident, and summarizes precautionary and treatment methods.

根据黄壁庄水库副坝防渗墙的施工实践，分析了这些事故发生的原因，并总结了预防措施以及发生事故后的处理方法，这对今后混凝土防渗墙的施工是个借鉴。