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	duboisine dubois, john dubois, paul du bois, pa, usa - jefferson county dubois regional medical center du bois-reymond du bois-reymond, emil du bois-reymond, emil h du bois-reymond, emil h. du bois-reymond induction coil du bois-reymond law dubois scholars program dubois, stanislaw dubois volunteer fire department du bois w e b du bois, w. e. b. du bois, william edward burghardt dubois’ abscess dubois’ disease du bonheur pour tous dubonnet dubonnets dubos duboscq duboscq colorimeter

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。