The sizes of railway's welding seam don't confirm with the requirements on drawings (The drawings require 6mm weild throat,8mm weld leg,wheras the actual weld throad is merely 3mm and weld leg 4mm)
那个...老外真有这么坑爹?与图纸相差一半?
The sizes of railway's welding seam don't confirm with the requirements on drawings (The drawings require 6mm weild throat,8mm weld leg,wheras the actual weld throad is merely 3mm and weld leg 4mm)
那个...老外真有这么坑爹?与图纸相差一半?