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creep ratio 蠕流比。

creepage

Thermoplastics pipes . determination of creep ratio 熱塑管道.蠕變比測定

Thermoplastics pipes - determination of creep ratio 熱塑性塑料管材蠕變比率的試驗方法

Thermoplastics pipes - determination of creep ratio 熱塑性塑料管.蠕變系數的測定