【用戶】Frantic
【年級】高二下
【評論內容】https://www.google.com/search?q=蕭氏硬度試驗&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiBraTqxffYAhXCXbwKHdnLAgoQ_AUICigB&biw=1366&bih=651#imgrc=DsmooSDXd9DwbM: