SANS 10120-2 LD:1982 與土木工程施工和合同文件用標(biāo)準(zhǔn)化規(guī)范同時(shí)使用的操作守則.第2部分:項(xiàng)目規(guī)范.第LD節(jié):下水道
Code of practice for use with standardized specifications for civil engineering construction and contract documents Part 2: Project specification Section LD: Sewers