SL 52-1993 Specification for Construction Survey of Water Conservancy and Hydropower Projects SL 52-93 SL52-1993 Standard download

This standard applies to the identification, naming and description of engineering soils in order to make qualitative evaluations

This specification applies to the planning, design, construction and operation management of automatic hydrological monitoring and

This specification is applicable to the design of various types of water inlets at all design stages of water conservancy and hydr

This guideline is applicable to: demarcating the scope of groundwater overexploitation areas, classifying and grading groundwater

SL/T 153-1995 Technical Specification for Low-pressure Pipeline Water Supply Irrigation Project (Part of Well Irrigation Area) SL/

SL 103-1995 Micro-irrigation Engineering Technical Specifications SL 103-95 SL103-1995 Standard download decompression password: w

This specification is applicable to routine water pressure test work in geological survey of water conservancy and hydropower proj