• 2022-05-31
    用辐射高温计测得炉壁小孔的辐射能量为[tex=6.0x1.429]S4N1ftURNnoSeCBiFLC5KpLyU7lTWmlNIRWAkXNcc1s=[/tex]试求炉内温度.
  • 举一反三