“drill doctor”的概念、定义、翻译、参考文献-科学参考

单词	drill doctor
释义	drill doctor [`dril ´däk·tǝr] ^{MINING ENGINEERING} 1. A person who services drill bits, tools, and steels. 2. A shop where the mechanic works.
随便看	modal class modal distortion modal noise modal number mode mode converter mode eddies mode filter mode jump model model atmosphere model-based expert system model basin model-following problem mode-locked laser model reduction model reference system model symbol model tank model theory modem modem eliminator mode number mode of oscillation mode of vibration

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