本文结合杭州市城市地质调查中浅层地震勘探，在第四系厚覆盖区，针对查明基岩埋深、确定松散沉积层的分层。

We're referring to integrate with the shallow layer of earthquake in Hangzhou urban geological survey in this paper.

youdao

本文结合杭州市城市地质调查中浅层地震勘探，在第四系厚覆盖区，针对查明基岩埋深、确定松散沉积层的分层。

We're referring to integrate with the shallow layer of earthquake in Hangzhou urban geological survey in this paper.

youdao