Therefore, it is necessary to carry on theoretical study on soil nailing support system.

因此，我们很有必要在理论上对土钉支护体系进行深入细化的研究。

youdao

Therefore, it is necessary to carry on theoretical study on soil nailing support system.

因此，我们很有必要在理论上对土钉支护体系进行深入细化的研究。

youdao