
Steel Plate, Structural, High Yield Strength (Hy-13O) - Revision A Amendment 1
出版:US Military Specs/Standards/Handbooks

專家解讀視頻
Steel Plate, Structural, High Yield Strength (Hy-13O) - Revision A Amendment 1
出版:US Military Specs/Standards/Handbooks
專家解讀視頻