Regarded as the study of the method of structure design for hydraulic support, and as a computer assistant design system, it has certain referable value.
作为液压支架设计方法的研究和计算机辅助设计系统，具有一定的参考和借鉴价值。
Regarded as the study of the method of structure design for hydraulic support, and as a computer assistant design system, it has certain referable value.
作为液压支架设计方法的研究和计算机辅助设计系统，具有一定的参考和借鉴价值。
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