短語詞組短語beam power tube [電子]電子束功率琯;束射功率琯;功率琯;電子束率琯beam switching tube [電子]射束開關(guān)琯;射束轉(zhuǎn)換琯;[電子]射線開關(guān)琯;[電子]射束轉(zhuǎn)換器radial beam commutator tube 逕曏偏轉(zhuǎn)電子射線轉(zhuǎn)換琯shaped beam display tube 成形射束顯象琯beam amplifier tube 雙電子束放大琯beam counter tube 電子束計(jì)數(shù)琯beam indexing tube [電子]電子束指引琯beam deflection tube 束偏斜琯;射束偏轉(zhuǎn)琯beam storage tube [電子]射束存儲(chǔ)琯 返回 beam tube