挖掘機液壓系統(tǒng)中英文文獻

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3、1通過在線監(jiān)測液壓油污染提高液壓挖掘機性能摘要 高價值產品的原始設備制造商（OEM）通常為客戶提供維護或服務包，以確保其產品在整個生命周期內保持最高的效率。為了快速高效地規(guī)劃維護要求，OEM 廠商需要有關其產品的使用和磨損的準確信息。近幾十年來，航空航天工業(yè)尤其成為使用實時數(shù)據(jù)進行產品監(jiān)控和維護調度的專家。通常產生大量來自產品監(jiān)控的實時使用數(shù)據(jù)，并將其傳回 OEM，進行診斷和預測分析。最近，其他行業(yè)，如建筑業(yè)和汽車業(yè)，也開始發(fā)展這些領域的能力，基于條件的維修（CBM）越來越受歡迎，作為滿足客戶需求的手段。煤層氣。

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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。