section rolling造句
例句與造句
- 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(jiān)持實(shí)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(jí)，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(guó)際、國(guó)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。 - 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(duì)紙機(jī)壓榨部滾動(dòng)軸承尺寸大響應(yīng)弱、運(yùn)轉(zhuǎn)速度低、低頻信號(hào)容易淹沒、調(diào)制源多、振動(dòng)信號(hào)非平穩(wěn)性等特點(diǎn)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(shí)頻分析方法，對(duì)振動(dòng)信號(hào)進(jìn)行分解和重構(gòu)處理，獲得了振動(dòng)信號(hào)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(jì)值作為特征參數(shù)，從而實(shí)現(xiàn)對(duì)軸承故障診斷。 - It's difficult to find section rolling in a sentence. 用section rolling造句挺難的