“Shelby tube”的概念、定义、翻译、参考文献-科学参考

单词	Shelby tube
释义	Shelby tube [`shel·bē ´tüb] ^ENGINEERING A thin-shelled tube used to take deep-soil samples; the tube is pushed into the undisturbed soil at the bottom of the casting of the borehole driven into the ground.
随便看	secondary diagonal secondary drilling secondary electron secondary-electron conduction secondary emission secondary enlargement secondary enrichment secondary extinction secondary fermentation secondary flow secondary focus secondary fragment secondary front secondary geosyncline secondary glacier secondary great circle secondary grid emission secondary grinding secondary growth secondary hardening secondary haulage secondary high explosive secondary hydrogen atom secondary index secondary interstices

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