But these were uncased auger-drilled poured pilings, with the grout in direct contact with the native materials.

不过这些都是露出地面经钻孔绕灌而成的桩，灰浆同天然材料直接接触。

youdao

But these were uncased auger-drilled poured pilings, with the grout in direct contact with the native materials.

不过这些都是露出地面经钻孔绕灌而成的桩，灰浆同天然材料直接接触。

youdao