open excavation

英 美
  • 明开挖,明挖
  • excavation n.挖掘;发掘;挖掘的洞;发掘物
  • open adj.开着的;开放的;公开的v.打开;张开;展开;摊开;开始(某事物);开张;营业;以…开头;宣布启用n.户外;公开
    1. An open excavation or pit from which stone is obtained by digging, cutting, or blasting.
      采石场通过挖掘、切割或爆破岩石来获取石料的露天坑道或洞