
Standard Specification for Metallic Coated or Aluminum Clad Stranded Steel Core for Use in Overhead Electrical Conductors
出版:American Society for Testing and Materials

專家解讀視頻
Standard Specification for Metallic Coated or Aluminum Clad Stranded Steel Core for Use in Overhead Electrical Conductors
出版:American Society for Testing and Materials
專家解讀視頻