GB/T 39655.2-2020造船船用螺旋桨制造公差第2部分:直径在0.8m至2.5m的螺旋桨标准
英文:Shipbuilding—Ship screw propellers—Manufacturing tolerances—Part 2:Propellers of diameter between 0.8m and 2.5m inclu...
英文:Shipbuilding—Ship screw propellers—Manufacturing tolerances—Part 2:Propellers of diameter between 0.8m and 2.5m inclu...