MIL-STD-1689A, DEPARTMENT OF DEFENSE MANUFACTURING PROCESS STANDARD: FABRICATION, WELDING, AND INSPECTION OF SHIPS STRUCTURE (23 NOV 1990)., This standard contains minimum requirements for the fabrication and inspection of the hull and associated structures of combatant ships. The requirements for shipbuilding, materials welding, welding design, mechanical fasteners, workmanship, inspection, forming, casting, and records are included. 作者: 18321336710 时间: 2020-3-4 20:49:53