挖掘机液压系统中英文文献

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3、1通过在线监测液压油污染提高液压挖掘机性能摘要 高价值产品的原始设备制造商（OEM）通常为客户提供维护或服务包，以确保其产品在整个生命周期内保持最高的效率。为了快速高效地规划维护要求，OEM 厂商需要有关其产品的使用和磨损的准确信息。近几十年来，航空航天工业尤其成为使用实时数据进行产品监控和维护调度的专家。通常产生大量来自产品监控的实时使用数据，并将其传回 OEM，进行诊断和预测分析。最近，其他行业，如建筑业和汽车业，也开始发展这些领域的能力，基于条件的维修（CBM）越来越受欢迎，作为满足客户需求的手段。煤层气。

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7、1英文原文Mine hoisting in deep shafts in the 1st half of 21st CenturyAlfred Carbogno Key words: deep shaft, mine hosting, Blair winder, rope safety factor, drum sizing, skip factor Introduction The mineral deposits are exploited on deeper and deeper levels. In connection with this, definitions like “deep level” and “deep shaft” became more and more popular. These definitions concern the depth where special rules regarding an excavation driving, exploitation, rock pressure control, lining con。