Research on hydraulic structure leaking of lift crane;
起重吊车液压系统泄漏故障研究
Finite element calculation for adjustable box hoist boom and its optimal design;
伸缩式箱形起重吊臂的有限元计算和优化设计
Study on the design of automatic magnetic crane;
全自动永磁起重吊设计研究
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