The electrical control system of the 900 ton case roof beam bridging machine in this paper is designed to solve this problem.
本论文中900吨箱梁架桥机电气控制系统的设计就是为了解决这一问题而提出的。
The electrical control system of the 900 ton case roof beam bridging machine in this paper is designed to solve this problem.
本论文中900吨箱梁架桥机电气控制系统的设计就是为了解决这一问题而提出的。
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