
Standard Practice for Determination of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (Falling Weight)
出版:American Society for Testing and Materials

專家解讀視頻
Standard Practice for Determination of the Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (Falling Weight)
出版:American Society for Testing and Materials
專家解讀視頻