基坑支护体系是临时结构，安全储备较小，具有较大风险，基坑工程具有很强的区域性。

Bracing of Foundation pit structure is the structural safety of temporary reserves are smaller, more risk. Foundation pit structure has a strong regional.

youdao

基坑支护体系是临时结构，安全储备较小，具有较大风险，基坑工程具有很强的区域性。

Bracing of Foundation pit structure is the structural safety of temporary reserves are smaller, more risk. Foundation pit structure has a strong regional.

youdao