英语词汇“second mining”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	second mining
释义	second mining second mining [′sek·ənd ′mīn·iŋ] (mining engineering) In underground coal mining, a procedure in which the pillars left for roof support are removed as mining operations move back out of the previously mined area.
随便看	partnership advisory board partnership africa canada partnership against alcohol and drug abuse partnership against domestic violence partnership against gun violence partnership against trafficking in human beings partnership agreement partnership agreement on mineral development partnership agreements partnership among south carolina academic libraries partnership and business development division partnership and cooperation agreement partnership and crime reduction department partnership and household livelihood security partnership annual conference partnership attitude tracking study partnership at will partnership books partnership certificate partnership coordination cell partnership drugs initiative partnership for advanced computational infrastructure partnership for a new generation of vehicles partnership for assessment of readiness for college and careers partnership for caring, inc

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。