短語詞組短語tube pulse voltage drop 脈沖管壓降laser tube breakdown voltage 擊穿電壓激光器tube -voltage 管電壓picture tube high voltage 顯像管高壓rated tube voltage 額定管電壓tube voltage -stabilizing 電壓穩(wěn)定器tube voltage drop 電子管電壓降;[電子]管壓降vacuum tube voltage regulator 電子管式穩(wěn)壓器tube voltage regulator 真空管電壓調(diào)整器 返回 tube voltage