英语词汇“down-hole drill, percussive drill”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	down-hole drill, percussive drill
释义	down-hole drill, percussive drill 潜孔钻机; 钻头和潜孔冲击器一起在孔内工作的钻孔机械。
随便看	proton aurora proton balance proton balance equation proton-beam proton beam protonbeam proton beam radiation proton beam therapy proton belt proton binding energy proton-binding energy proton bombarded protonbombarded proton-bombarded proton bombardment proton bombardment isolation proton-bridged ion proton capture proton capture gamma ray proton catalyzed reaction proton-catalyzed reaction proton channel proton charge proton chemical potential protoncogene

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