They worked with hand trowels, a plywood form for lining the shaft with concrete, inch by inch, and a sturdy hand-built crank for lowering a man to the bottom and sending up buckets of sand.
他们的作业工具是：挖土用的手工泥铲、浇筑混凝土井壁用的胶合板模板、还有手工制作摇杆。摇杆将一个人送到井底，那个人就在井底一点点挖土然后再通过摇杆把沙子一桶桶送到地面。
Application:Used for sand casting mould workshop, repairing the lining of steel making furnace and impacting the con crete on building.
用途：适用于砂型成型的铸件车间、炼钢和炼铁炉衬的修补以及建筑场所的混凝土捣固作业。
Not be everyone takes distant place, because do not have, drop the sand of shoe lining because of total somebody and whacked quit.
不是人人都走到远方，因为总有人因为没倒掉鞋里的沙子而疲惫不堪半途而废。
There are three respects of contrast between high alumina and silica sand in using for induction furnace Lining. They are the sintering technology, the using effect and the synthetic economic results.
本文从烧结工艺、使用效果及综合经济效益三方面就高铝矾土与石英砂在感应电炉炉衬上的应用做了对比。
The re bar net preliminary lining mould shotcrete and preliminary and anchor shotcrete are used for support by the use of the semi wet spraying method with sand entrapped in cement.
钢筋骨架网衬砌模注砼及初期锚喷砼支护，采用水泥裹砂半湿式喷砼法；
The re bar net preliminary lining mould shotcrete and preliminary and anchor shotcrete are used for support by the use of the semi wet spraying method with sand entrapped in cement.
钢筋骨架网衬砌模注砼及初期锚喷砼支护，采用水泥裹砂半湿式喷砼法；
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