求翻译：（6）冶金工厂主要的建筑物、构筑物，大多需要较深的基础和地下室，在建筑房屋和构筑物时厂址的土壤不需要复杂的基础工程。地下水位尽可能低于地下建筑和构筑物基础的深度，并无侵蚀性。是什么意思？

(6) metallurgical plant buildings, structures, most of them require a deeper foundation and basement, the soil site in the construction of houses and structures does not require complex infrastructure projects. Groundwater levels as much as possible below the depth of the underground buildings and s