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。
Golden fireworks discharge from the two sides competing in the River over to greet docking to form a "hand in hand" special shape.
金色礼花从两岸竞相燃放,在浦江上空相迎对接,形成“手牵手”的特殊造型。
Structure and Loading. Hand in hand with the functional requirement goes the development of the structural form to be used.
结构与荷载。与功能要求密不可分的就是设计需采用的结构形式。
应用推荐