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section roll造句

"section roll"是什么意思   

例句與造句

  1. After the optimization of optimization of its production mix and upgrade of its business by persisting in the strategy of " make leading toadvantages " , - tonggang has owned a series of sophisticated process equpments , such as sec - ondary refining , high efficient continuous casting , sections continuousroll - ing , small sections rolling , hith speed wire rode rolling steel strand produ - ction lines and so on . it strengthens the developing momentum of the enterprise in the new century
    通鋼集團(tuán)堅持實施品牌戰(zhàn)略,走精品名牌發(fā)展之路,依托科技進(jìn)步,優(yōu)化產(chǎn)品結(jié)構(gòu),推進(jìn)產(chǎn)業(yè)升級,現(xiàn)已形成以轉(zhuǎn)爐精練、高效連鑄、型鋼連軋高速線材、小型連軋、鋼絞線等為主體的具有國際、國內(nèi)領(lǐng)先水平的工藝裝備,全面增強(qiáng)了企業(yè)發(fā)展后勁。
  2. A time - frequency analysis method is presented to solve paper machine press section bearing vibration signals of unstable and complication , applying wavelet function to the unstable signals for faulty bearing according to paper machine press section roll bearing characteristic , and process the vibration signals by means of decomposition and reconstruction , obtaining the vibration signals in different frequency bands , the statistic in frequency domain of relevant frequency bands is served as monitoring feature
    摘要針對紙機(jī)壓榨部滾動軸承尺寸大響應(yīng)弱、運轉(zhuǎn)速度低、低頻信號容易淹沒、調(diào)制源多、振動信號非平穩(wěn)性等特點而導(dǎo)致常規(guī)的傅立葉分析診斷故障效果不佳的情況,提出了一種應(yīng)用小波變換的時頻分析方法,對振動信號進(jìn)行分解和重構(gòu)處理,獲得了振動信號在不同的頻段的分量,提取相應(yīng)特征頻段重構(gòu)分量的功率譜的頻域統(tǒng)計值作為特征參數(shù),從而實現(xiàn)對軸承故障診斷。
  3. It's difficult to find section roll in a sentence. 用section roll造句挺難的

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