英语词汇“down-hole”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	down-hole
释义	down-holeCOCA³¹⁵¹¹¹⁺⁴BNC¹⁷³⁹⁹⁵⁺² 基本例句 🌏井下管柱；下孔法；下井 The key to the down-hole fault diagnosis of the pumping system lies in obtaining the down- hole pump diagrams. 对分层有杆抽油系统进行故障诊断的关键是获得井下泵示功图。 cnki
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