英语词汇percussion mortar是什么意思，percussion mortar的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	percussion mortar
释义	percussion mortar　桩臼
随便看	switching house switching hysteresis switching input switching interval switching key switching knob switching lag switching lever stopper switching limit switching list switching locomotive switching loss switching magnet switching management system switching matrix switching mechanism switching member switching mode switching network switching network switching node switching office switching oscillator switching over switching packets

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