本实用新型涉及一种双梁起重机。
介绍了基于系统分析的双梁桥式起重机桥架结构优化设计方法。
This paper introduces an optimization design method for overhead traveling crane structure with double bridge which is based on system analysis.
造船龙门起重机结构型式分为单梁和双梁。
The structure of shipbuilding gantry crane has single and double girder types.
造船龙门起重机结构型式分为单梁和双梁。
The structure of shipbuilding gantry crane has single and double girder types.
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