电子管的真空度和压强的关系

$32.8 Add to Cart
真空中的正电子加速
电子能在真空中
  • Color:
  • Size:
  • Quality:

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.

More details
Mascot Kitty - White
Mascot Kitty - White
Mascot Kitty - White