special electron tube 中文意思是什麼
special electron tube
解釋
特種電子管-
The phototube, a very special type of electron tube, is the heart of the talking-picture projector.
光電管,一種非常特殊的電子管,是有聲電影放映機的心臟。 -
The television receiver contain a very special sort of electron tube, called a "cathode-ray" tube.
電視接收機有一個非常特殊的電子管,稱為陰極射線管。
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