Generally speaking, the bridge structure incorporating the flexible arch principle in material mechanics can disperse every point of pressure to the cross-section equally.
通俗地讲，运用材料力学的弹性拱原理造桥，这种结构就可以将受力点的力分散到桥的每一个横截面上。
Then the section saw slide rack cooling, and every 3 - 5 when the material must check the appearance quality of the saw model, at the same time appropriate to the saw blade rubbed smooth oil.
接着将锯断的型材滑入料架冷却，并且每隔3-5支料时必需锯榜样检查外表质量状况，同时恰当向锯片涂擦光滑油。
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