<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://www.stockvault.net/photo/254813/construction-of-basic-foundation-structures-for-soil-embankments"><span style="font-size: 12px;color:black;">“Construction of basic foundation structures for soil embankments”</span> </a>由 <a href="https://www.stockvault.net/user/profile/178933"><span style="font-size: 12px;color:black;">bang doel</span></a> 授权许可 <span><a href="https://stockvault.net/terms-of-use" target="_blank" style="font-size: 12px;color:black;">Stockvault Non-Commercial License<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>