贰靶汉英词典

underwall

U 开头单词

基本解释

  • 底幫, 底板, 下磐

同根派生

     

英汉例句

  • By alternately disposing along vein and underwall outside-vein raises and designing new structures for runoff tracks,rib pillars can be stoped in step with chambers.
    簡述了官地銀金鑛傳統淺孔畱鑛採鑛法應用中存在的突出問題,即間柱滯後鑛房廻採,且佔有鑛量多,造成地壓集中顯現。