The wing of the plane showed signs of metal fatigue.
机翼显示出金属疲劳的迹象。
The problem turned out to be metal fatigue in the fuselage.
问题原来出在机身的金属疲劳。
The airplane wing showed signs of metal fatigue.
机翼显出有金属疲乏的迹象。
The aeroplane wing showed signs of metal fatigue.
机翼显出有金属疲劳的现象。
Corrosion results in decrease of metal fatigue life and overload can result in prolonging of fatigue life.
腐蚀会降低材料的疲劳寿命而超载则对疲劳寿命有增益作用。
One thing that does ground old aircraft is the impending failure of their aluminium structure from metal fatigue.
让老旧飞机搁浅的一件事就是飞机铝构造因为金属疲劳产生的故障隐患。
Over the past few weeks, aircraft engineers have found they do not know quite as much about metal fatigue as they thought.
就在几周前，飞机工程师才发现他们并没有完全了解金属疲劳——四月一日，西北航空公司812航班使用的波音737-300型客机在从凤凰城飞往萨克拉门托的途中发现在机身的上半部有一个五英尺的裂纹，不得不紧急迫降。
The application of metal ion injection technology for improving metal fatigue resistance and erosion resistance are discussed.
论述金属离子注入技术在改善材料的疲劳、耐磨性、 氧化等性能方面的应用。
So a tight wheel should last longer and be stiffer while a softer build can resist impacts better but will have greater chance of metal fatigue failures.
因此，一个张紧轮应持续时间更长，而被硬软建设能更好地抵御冲击，但将有更大的金属疲劳破坏的机会。
Through-thickness cracking also can lead to fatigue or stress corrosion cracking of the base metal beneath the plating.
还会形成穿透型裂纹，造成镀层下本体金属的疲劳或应力腐蚀裂纹。
The photographs of the sweep electron microscope show that fatigue damage are caused mainly by microcracks and impurities of metal.
通过疲劳断口的电镜扫描试验，证明防爆膜的疲劳破坏是由存在于金属内部的微裂纹和杂质所引起。
Since the main failure reason of the steel rope is the fatigue of the metal, the fatigue reliability design of the crane steel rope can be executed by means of stress-strength interference model.
根据起重机钢丝绳失效主要是金属疲劳的原理，采用应力-强度干涉模型，对起重机钢丝绳进行了疲劳可靠性设计。
Safety life of crane was determined by its fatigue intensity of metal structure.
起重机的安全寿命取决于其金属结构的疲劳强度。
The crane's metal structure intensity calculation and fatigue analysis is a fully complicated problem.
起重机金属结构的强度计算及疲劳分析是十分复杂的问题。
Unlike metal, wood does not weaken from fatigue.
与金属，木材不会削弱疲劳。
The fatigue invalidation made by the kind of microcosmic and macroscopical mechanical stress concentrate 80% resulted in equipment part and metal components damage.
设备的零部件和金属构件发生的损坏，80%是由于各种微观和宏观机械应力集中所导致的疲劳失效。
It will cause metal structure to fatigue destruction if steel structure is influenced in the vibration for a long time.
钢结构长期在这种振动的影响下就会导致金属结构疲劳破坏；
Fatigue failure of metal structural component is a common form of structure collapse, so improving fatigue behavior of metal materials is very important for their usage.
金属构件的疲劳失效是一种常见的结构破坏形式，改善金属材料的疲劳性能对其使用性能的提高有重要意义。
Test results show that type of metal powder spray has great influence on the improvement of fatigue properties by plasma spray.
疲劳试验结果表明喷涂合金粉末类型对喷涂后接头疲劳性能影响较大。
High-frequency fatigue tester, which belongs to metal material tester, is used to measure the fatigue performance of drawing, compressing of metal material and its alloy in room temperature condition.
高频疲劳试验机属于金属材料试验机，是一种主要用于测定金属及其合金材料在室温状态下的拉伸、压缩或拉压交变负荷的疲劳性能试验的机器。
Some in-site vibrating test and metal fracture analysis have been done to reveal that the crack of the U-shaped bolts is fatigue failure and some reference for designer is put forward.
结合桥梁—人行道系统的现场振动测试和螺栓试样断口分析结果，指出既有桥上发生的U型螺栓破断属于疲劳破坏，并提出了改进意见。
First of all, to deal with some spraying petrol, acetone for degreasing treatment with a file, fine sandpaper, oilstone will fatigue layer and oxide layer removed to expose the metal color.
首先应对喷涂部分用汽油、丙酮进行除油处理，用锉刀、细砂纸、油石将疲劳层和氧化层除掉，使其露出金属本色。
The steel ring is the key component of metal V-belt, its main failure is fatigue rupture.
带环是金属带中的核心部件，其主要失效形式是疲劳破坏。
The inadepuats braking conditions are the main cause to produce heat-effected metal layer and fatigue crackings.
制动工况不当是产生热影响层和疲劳裂纹的主要原因。
Ultrasonic fatigue tests were carried out on Q235B base metal and welded joints by an ultrasonic fatigue test equipment in order to investigate their super high cycle fatigue properties.
用超声疲劳试验装置对Q235B母材及焊接接头试件进行超声疲劳试验，研究其在超高周疲劳寿命区间的疲劳性能。
Ultrasonic fatigue tests were carried out on Q235B base metal and welded joints by an ultrasonic fatigue test equipment in order to investigate their super high cycle fatigue properties.
用超声疲劳试验装置对Q235B母材及焊接接头试件进行超声疲劳试验，研究其在超高周疲劳寿命区间的疲劳性能。
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