“ring holes”的概念、定义、翻译、参考文献-科学参考

单词	ring holes
释义	ring holes [`riŋ ´hōlz] ^{MINING ENGINEERING} The group of boreholes radially drilled from a common-center setup.
随便看	avigation aviolite avionics avitaminosis avocado avocado oil avogadrite Avogadro's hypothesis Avogadro's law Avogadro's number avogram avoidable delay avoidance-avoidance conflict avoirdupois pound avoirdupois weight Avonian avulsion AWACS awaruite AWG awl awn awning deck awning window ax

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