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。
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