“exploratory tunnel”的概念、定义、翻译、参考文献-科学参考

单词	exploratory tunnel
释义	exploratory tunnel Encyclopedia 理学坑探工程释 exploratory tunnel勘探坑道在勘探矿床时，为了揭露、追索和圈定矿体及研究矿体地质所掘进的地下坑道。
随便看	Fight of Old Mir fight or flight fight or flight response fight with weapons between groups of people Fight Zhujiazhuang three times figitids fig-marigold family figo michelia figural after-effect figural aftereffect figural number figural perception figurate number figurate number triangle figuration figurative figuratrix figure figured bass figured cloth figure eight figure eight curve figure eight knot figure-eight solution figure-eight surface

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