“回填”造句
最后
回填沟槽, 固定隧道段.
Finally, the channel is filled in to give the tunnel stability.
在大坝基础工程帷幕灌浆、
回填技术上处同行之首.
Its dam foundation grout curtain and backfilling technologies are advanced.
最后介绍了用强夯法加固
回填地基的实例.
Finally, an example of reinforcing back - filling ground by the dynamic consolidation is introduced.