(1) Task source: sample submitted by the application department; <br>(2) Sample description: The test object information description is provided by the application department, and the test center is not responsible for its authenticity; <br>(3) The test result is only responsible for the sample; <br>(4) Sample number YW2111 -50#-1 is anodized on the whole; sample number YW2111-50#-2 is anodized for cabin door profile, and anodized for the butt area of skin and cabin door profile.
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