Within the range of from 3200 Hz before 100 GHZ it is necessary simply several insulated layer by steels and aluminum.

 
  • 頻率范圍在3200赫茲到100千兆赫之間,只簡(jiǎn)單需要幾個(gè)鋼或鋁的簡(jiǎn)單隔熱層。
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