The contradictory relation and requirement of turn-off and turn-on time in constructing a 20 KC 100A thyristor are discussed.是什么意思_The contradictory relation and requirement of turn-off and turn-on time in constructing a 20 KC 100A thyristor are discussed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句