短語詞組短語beam power tube [電子]電子束功率管;束射功率管;功率管;電子束率管beam switching tube [電子]射束開關(guān)管;射束轉(zhuǎn)換管;[電子]射線開關(guān)管;[電子]射束轉(zhuǎn)換器radial beam commutator tube 徑向偏轉(zhuǎn)電子射線轉(zhuǎn)換管shaped beam display tube 成形射束顯象管beam amplifier tube 雙電子束放大管beam counter tube 電子束計數(shù)管beam indexing tube [電子]電子束指引管beam deflection tube 束偏斜管;射束偏轉(zhuǎn)管beam storage tube [電子]射束存儲管 返回 beam tube