lower roadway technology

 
  • 落巷技術(shù)

lower roadway technology的用法和樣例:

例句

  1. The paper describes a commercial test of pumping stowing material for roadway rib support in a large cross-section roadway in Jinggezhuang Mine,Kailuan.
    總結了綜采大斷面巷道泵送高水速凝材料護巷技術(shù)在開(kāi)灤荊各莊礦的工業(yè)性試驗情況。

lower roadway technology的相關(guān)資料:

臨近單詞

今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan