But in the operation of the curved box-girder, bending and torsion deformation has also been quite pronounced.
但在运营中遇到的弯箱梁弯扭变形问题也比较突出。
Familiar with the operation of machining processes, can skillfully operate lathes, milling machines and other machine tools and tube bending etc.
熟悉机加工的操作工艺，能熟练操作车床，铣床等机床及钣金弯管。
Optimal design of bending sequence is the key link in sheet metal free bending process planning, and it has important influence on simplifying operation and bending precision guarantee.
折弯工序的优化设计是板金自由弯曲工艺规划的关键环节，对简化加工过程、保证折弯精度有重要影响。
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