... central axial spine tube 中心轴向支承管 axial compressed steel tube 轴压钢管 tube axial fan 轴流式风机 ...
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tube-axial fan [机] 轴流式风扇
tube axial-flow fan 圆筒式轴流通风机
Axial fan with tube 高筒式轴流风机
·2,447,543篇论文数据，部分数据来源于NoteExpress
This is directed against structure defect of mine old type tube - axial fan, make technique transform to combine practice, raises main fan running efficiency, receives notable economic benefits.
针对矿井老型号轴流式扇风机的结构缺陷，结合现场实际进行了技术改造，提高了主扇运动效率，收到了显著的经济效益。
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