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

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	oosh ooshc ooshima ooshl ooshp ooshs oosi oosig oosik oosim oosm oosmnspfrsl oosm-pf oosmt ooso oosome oosoom oosp oospararenite oosparite oosparrudite oospd oosperm oosphere oospheres

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。