
355管材硬度计检测标准值
1、pe管的规格为外径有20mm25mm32mm40mm50mm63mm75mm90mm110mm125mm160mm180mm200mm225mm250mm280mm315mm355mm4000mm450mm500mm560mm630mm710mm等规格,壁厚有063MPa08MPa10MPa125MPa16MP...
1、pe管的规格为外径有20mm25mm32mm40mm50mm63mm75mm90mm110mm125mm160mm180mm200mm225mm250mm280mm315mm355mm4000mm450mm500mm560mm630mm710mm等规格,壁厚有063MPa08MPa10MPa125MPa16MP...