verticality

On the Structure of " Nationality Corridor " and " Two Verticality & Three Horizontality "

论 “ 民族走廊 ” 及 “ 二纵三横 ” 的格局.

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Elasticity deformation of belt can be produced during operation and cause verticality change of roller.

带式输送机的输送带在工作运行过程中会产生弹性变形,并在托辊间引起垂度变化.

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