
煤矿水压安全阀微造型阀芯润滑性能正交试验分析
王传礼, 马丁, 何涛, 周大伟, 郝飞
煤矿水压安全阀微造型阀芯润滑性能正交试验分析
Analysis Based on Orthogonal Experiment of Lubrication Performance of Micro-texturing Valve Core on Coal Mine Water Hydraulic Relief Valve
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