Li Zhihong. Comparison and Analysis of New and Old National Standards GB 15558.1 of Buried Polyethylene Gas Pipe[J]. Engineering Plastics Application, 2017, (6).
Li Zhihong. Comparison and Analysis of New and Old National Standards GB 15558.1 of Buried Polyethylene Gas Pipe[J]. Engineering Plastics Application, 2017, (6). DOI: 10.3969/j.issn.1001-3539.2017.06.018.
Comparison and Analysis of New and Old National Standards GB 15558.1 of Buried Polyethylene Gas Pipe