双管四十毫米火炮装置上的五名炮手被打中了.Five men in a twin - forty mount had been hit.介绍了一种双管正激变换器的LCD箝位电路,该电路实现了初级开关的零电压关断.The authors proposes a two - transistor forward converter with a LCD clamping circuit.双管 - 一条用于蒸汽供应,另一条用于凝结水回流.Two ...

“双管”的拼音为：shuāng guǎn...

“双管”的英语可以翻译为：double-barrelled ...