GB/T 18252-2008 Plastics piping and ducting systems-Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation.
GB/T 18252-2008 塑料管道系统-用外推法确定热塑性塑料材料以管材形式的长期静液压强度。
GB/T 18252标准原理
...
GB/T 18252-2008 Plastics piping and ducting systems-Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation.
GB/T 18252-2008 塑料管道系统-用外推法确定热塑性塑料材料以管材形式的长期静液压强度。
GB/T 18252标准原理
...