URL:https://media.cheggcdn.com/media/3dd/3dd3a7da-9a94-44cc-a9bc-4ce27b41cb09/phpEdOGDT
掲載元:https://www.chegg.com/homework-help/questions-and-answers/cross-sectional-dimensions-beam-shown-figure-assume-50-mm-b-105-mm-t-3-mm-d-65-mm-bending--q82604143