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locomotive engine 機車,火車頭。

locomotive engineering

To work out a mathematical relationship of the “ dopplereffect ” , relating the pitch to the relative motion of source andobserver , the austrian scientist christian johann doppler placedtrumpeters on a railroad flat car and musicians with a sense ofabsolute pitch near the tracks . a locomotive engine pulled theflat car back and forth at different speeds for two days . themusicians on the ground “ recorded ” the trumpet notes as the trainapproached and as it receded 為了計算出“多普勒效應”的一個數學關系,即音調和運動中的聲源和觀察者之間的相對關系,奧地利科學家克里斯蒂?約翰?多普勒讓幾位吹號人坐在一節平板火車上,讓幾個對音調特別敏感的音樂家坐在鐵軌附近。

It is applied to sorts of locomotive engine , in course of revolving of crank and connecting rod mechanism , there are revolving of the crankshaft , swinging of the connecting rod and reciprocating motion , so its motion state is complex , and periodic unbalanced force , by a few components , is great 曲柄連桿機構在高速運轉過程中,有曲軸的轉動、連桿的擺動及活塞的往復運動,其運動狀態復雜,各個部件所產生的周期性不平衡慣性力大,是引起發動機振動的主要原因。

Leading enterprises are the “ locomotive engine “ of industrialization of agricultural managing , whose powers of economic strength and affecting ability determine the scale and effects of industrialization of agricultural managing and their quality that established influences the processes of our country rural economic reforms directly too 龍頭企業是農業產業化經營的“火車頭” ,其經濟實力的強弱和牽動能力大小,直接決定著農業產業化經營的規模和成效,其創辦的好壞也直接影響著我國農村經濟改革的進程。

With the company philosophy of “ to be the best “ and the commitment of “ qualified product , reasonable price , good credit “ , we are cooperating well with businessmen from the cycles of construction , aviation , ship , automobile , locomotive engine , machinery , communications , chemical industry , household electric appliance all over the world 我們將全心致力于開拓市場,進一步拓寬我們的銷售網絡,把滿足和創造用戶的需求作為市場營銷策略同時也歡迎對我們東博公司有信心的公司加盟我們的銷售網絡,攜手共創美好的明天. .

The germans invented a new locomotive engine with a self feeder , that did not need a fireman . and it was to be fed with a new fuel , that burnt in small quantities at a great heat , under peculiar conditions 德國人巳發明了一種不用火力的發動機,這發動機所用的是一種新燃料,這燃料燒起來只要很少的量,而在某種特殊的情形下,能發生很大的熱力。

The urbanization has already become the locomotive engine which has been promoted the regional economic growth of our country , become and excite the carrier that a new round of wealth fully shoved in the area 城市化已經成為推動我國區域經濟增長的火車頭,成為激發區域新一輪財富充分涌流的載體。

The studying means , studying method and studying achievement are universal applicable to running - in study of marine engine , automotive engine and locomotive engine 本文采用的研究手段,形成的研究方法,取得的研究結果具有一定的普適性,能夠適用于船用、汽車和機車柴油機的臺架磨合。

Causes of the explosion of the crankshaft box in diesel locomotive engine and the measures taken for improvement 2機車柴油機曲軸箱爆炸原因及其改進措施

Oil - change criterion of railway diesel locomotive engine oils - blotter spot test method 鐵路柴油機車柴油機油換油指標斑點試驗方法

Special combination boring machine used in processing the body spindle of locomotive engine 利用微調鏜刀頭實現高精度孔的加工

Analysis and precautionary measure of diesel locomotive engine trouble 機車用柴油機軸瓦故障分析與預防