Plastics piping and ducting systems - determination of the long - term hydrostatic strength of thermoplastics materials in pipe form by extrapolation 用外推法对热塑性塑料管材长期静液压强度的测定
Plastics piping and ducting systems - determination of the long - term hydrostatic strength of thermoplastics materials in pipe form by extrapolation 塑料管道和导管系统.用外推法测定热塑塑料管道的长期静液压强度