英语词汇“hard bottom”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	hard bottom
释义	hard bottom hard bottom [′härd ‚bäd·əm] (mining engineering) A condition encountered in some opencut mines wherein the rock occasionally does not break down to grade because of an extra-hard streak of ground or because insufficient powder is used.
随便看	lammens lammens, henri lammergeier lammergeiers lammergeir lammergeyer lammergeyers lammermoors lammermuir lammermuir hills lammermuirs lammert, will lammico lamming lamm, norman lammp lammps lammr lamms lammy lamn lamna lamna nasus lamnb1 lamnb2

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