英语词汇percussion machine怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	percussion machine
释义	您要找的是不是： precision machine percussion machine 翻译冲击机以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义短语 1 longhole percussion machine 冲击式深孔钻机 2 pneumatic percussion machine 气动冲击 3 percussion riveting machine 冲击式铆钉机 ; 冲击铆机 ; 机撞击铆钉机双语例句 1 When large dismeter water well is constructed in cobble and boulder strata drilling by percussion machine is not proper to be used as limited by condition. 卵砾石地层钻进是钻探的难题之一，不仅钻进速度低，钻头的使用寿命短，而且钻探成本高。 2 ConclusionThe effect of discharging sputum with machine vibration is better than percussion on back. 结论振动排痰机的排痰效果优于人工叩背排痰法。
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