graphic illustration

Through the reverse proving, graphic illustration and practice proving, this formula was proved that the design for small roller of internal press roller of forming machine is suitable.

通过对其采用反证法和图解法以及在实际制管生产中的验证，证明此经验公式对于成型器内压辊斜置小辊辊型设计是完全适用的。

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In a graphic illustration of the earthquake's power, the Great Aso Bridge-a single span of 206m opened in 1970-collapsed into the ravine of the Black River below.

长206米、1970年通车的单孔大桥阿苏大桥（Great Aso Bridge）崩塌，坠入了下方黑川（Black River）深邃的峡谷中，此次地震的破坏力可见一斑。

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