GB/T 18252-2020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标准
英文:Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials...
英文:Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials...