求翻译：壹级水工建筑物基础处理工程专业承包、贰级地基与基础工程专业承包、贰级堤防工程专业承包、特种专业工程专业承包、贰级水工大坝工程专业承包业务。是什么意思？

Class-based processing of hydraulic structures engineering contractor, Class-B ground-based engineering and contracting, Class-B dike engineering contractor, special professional engineering contractor, Class-B hydraulic dam engineering contracting business.

1121 dealing with engineering professional-level Hydraulic Structures foundation contractor, contractors of professional-level foundation and infrastructure level, dike engineering professional contractors, specialized professional contractors of professional level, hydraulic dam professional contra

One level of hydraulic engineering structure foundation treatment project specialized contract, two levels of grounds and foundation engineering specialized contract, two level of dike project specialized contract, special specialized project specialized contract, two level of water conservancy proj

One Foundation treatment engineering professional contract level of hydraulic structures, II level ground and foundation engineering professional contract, II levee engineering professional contract level, special hydraulic Dam Project Professional Project Professional contracting, second-level prof

One Foundation treatment engineering professional contract level of hydraulic structures, II level ground and foundation engineering professional contract, II levee engineering professional contract level, special hydraulic Dam Project Professional Project Professional contracting, second-level prof