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mechanic model造句

造句2.87W

On the basis of preceding main results, a mechanic model of overburden-karstic free face with a weak structural plane is presented in this paper.

mechanic model造句

The circular elastic slice of degassing valve was simplified as ring mechanics and the mechanic model of the slice under uniformly distributed load was established to investigate its deformation.

标签:mechanic 造句 model