main shaft

• Onceyou get out ofthis main shaft , there ' s no overheads
  你一旦离开了这主通道,在那里就没有遮挡了
• Temporary winding change construction of main shaft in huxi coal mine
  湖西煤矿主竖井临时提绞改装施工
• They consist of one main shaft , which is equipped with rotating arms
  它是由一根装接着旋转臂的主轴组成。
• A secondary mine passageway between two main shafts or tunnels
  次要矿山甬道矿井中连接两条大隧道的小巷道
• Quick construction of main shaft wall in base rock period in hu xi coal mine
  湖西矿主井井筒基岩段快速施工
• Method of main shaft wall construction expansion clay in lu xi coal mine
  鲁西煤矿主井井筒施工膨胀性粘土段措施
• Operating direction of main shaft
  主轴操作方向
• Operating moment of main shaft
  主轴操作力矩
• Analysis of effect of mine dewatering on subsidence of the turret of the main shaft
  地下水疏放对主井塔楼的沉降影响分析
• Technical requisition for installing of fishing vessel generator set by the main shaft
  渔船轴带交流发电机组安装技术要求