在施工中，应采取的第一支撑，然后开挖开挖方式。

In the construction, the first supporting and then excavating excavation way should be adopted.

youdao

在施工中，应采取的第一支撑，然后开挖开挖方式。

In the construction, the first supporting and then excavating excavation way should be adopted.

youdao