英语词汇“penetration speed”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	penetration speed
释义	penetration speed penetration speed [‚pen·ə′trā·shən ‚spēd] (mechanical engineering) The speed at which a drill can cut through rock or other material.
随便看	hfaf1 hfag hfai hfaia hfaid hf airborne early warning communications system hfaj hfak hf akylation hfal hfala hf ale hf-ale hf/ale hfalv hf-am hfam hfame hfami hfan hfane hfanz hfao hfap hfaq

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。