A spokesman for American Airlines says part of the plane's landing gear collapsed, and one engine on the right side fell off the wing from the impact.
美国航空公司发言人说，飞机降落装置的某些部分损毁，右侧的一个发动机在撞击下从机翼上脱落。
Jack heard the engines straining to keep the aircraft aloft. Then they cut out and the wheels slammed onto the runway, too hard for the landing gear to support the impact.
杰克听到发动机悲鸣着尽量让飞机滞空，突然声音消失了，轮胎重重落在跑道上，巨大的冲击力令起落架不堪重负。
Now researchers have compiled a global picture of the impact that various types of fishing gear have on turtles.
目前，研究人员已经全面地整合出了不同种类的渔具对海龟产生的影响。
Rotary sprayers use gear driven or impact hammer mechanisms to rotate the spray head in a circle.
使用旋转式喷雾器齿轮驱动或影响锤机制，旋转一圈的喷头。
The noise excited by impact and vibration of gear pairs in automobile engine is one of the main sources of noise.
汽车发动机齿轮系统冲击振动所引起的噪声，是发动机噪声的主要来源之一。
In addition to watch though shock, but strong impact in the outside world is easy to make the pendulum shaft tip or gear shaft broken, can make the vibration of the walking speed needle.
另外手表虽防震，但在外界的冲击力较强时易使摆轴尖或轮系轴颈折断，亦可使快慢针震动影响走时。
Theoretical analysis of the impact of assembly errors on orthogonal face gear drive is critical to the application of face gear drive.
分析装配误差对正交面齿轮传动的影响是开展面齿轮传动工程应用的重要基础理论之一。
The concepts of high speed impact and low speed contact in gear rattling were proposed firstly in accordance with the disadvantages of the present methods.
针对以往研究齿轮系统拍击振动方法存在的不足，提出了齿轮系统拍击振动中高速碰撞和低速接触的概念。
Owing to the modified error in principle, the manufacturing error and the variation of the load, there still exists the mesh impact in the transmission of modified spur gear.
由于存在修形原理误差、齿轮加工误差以及载荷工况的变化，渐开线修形齿轮在使用中仍会有啮合冲击现象。
In the process of the teeth, hob manufacturing error of gear tooth shape of the main impact error and the festival deviation.
在切齿过程中﹐滚刀的制造误差主要影响齿轮的齿形误差和基节偏差。
A three freedom degrees mathematical model of a pair of involute spur gear transmission system is built using the lumped mass method, based on gear meshing theory and vibration impact theory.
本文基于齿轮啮合原理及振动冲击理论，采用集中质量法建立了由一对渐开线直齿圆柱齿轮组成的传动系统三自由度数学模型。
Compared to bevel gear, hypoid gear has larger overlap coefficient, lower gear contact stress, more smooth transmission, lower impact and noise, higher load bearing capacity, longer life and so on.
准双曲面齿轮与普通圆锥齿轮相比，具有重合度大、齿面接触应力低、传动平稳、冲击和噪音小、承载能力高和寿命长等优点。
With increase in defect severity, not only the defective gear mesh frequency gains energy, but also large impact energy appears in low-frequency regions.
与增加的缺陷的严重性，不仅有缺陷齿轮啮合频率增益能源，并且还大的影响，能源出当前低频区。
The D4 gear indicator light of a HONDA ACCORD passenger car that equipped with engine F22B4 and at MPOA is not on in the course of driving, and at has big shifting impact.
一辆装备F22B4型发动机，MPOA型自动变速器的本田雅阁轿车，在行驶过程中D4档指示灯不亮，并且自动变速器在换挡时出现较大冲击现象。
The invention relates to a reduction gearbox of an electric tool, in particular to an assembling structure of double-speed impact electric drill gear reduction gearbox.
本发明涉及一种电动工具的减速箱，具体地说是一种双速冲击电钻齿轮减 速箱的装配结构。
Analysis of gear parameters on impact of cup shaped thin wall inner gear spin forming, and the spinning process for the two types of inner gears were discussed based on the experimental investigation.
为了分析齿轮参数对杯形薄壁内齿旋压成形的影响，本文采用工艺试验的方法，对梯形内花键和渐开线内齿轮旋压成形进行了研究。
During the cutting of the worm bevel gear, due to the impact interference between the worm and cutter rest slide and screw, the gear teeth shape cutting can not be performed.
蜗杆伞齿轮切齿时，由于蜗杆部分与刀架滑板及刀架螺钉发生碰撞干涉，导致刨齿加工无法顺利进行。
The drum type pumping unit with the new reverse mechanism has the advantages of impact structure, light weight and extended gear reducer life.
采用这种机构设计出的滚筒机具有结构紧凑、重量轻及减速器寿命长等优点。
This article, on the basis of studying the structure of pinion gear assembly and pinion bearing pre-load mechanism, analyses the main factors which have impact on pinion bearing preload.
文章在研究主齿总成结构及主齿轴承预紧原理的基础上，深入分析了影响主齿轴承预紧的主要因素及其影响机理；
Symmetric Gear Reducers from F. L. Smidth are famous for their impact structure, operation reliability, long service life and high efficiency. Therefore many sets are imported in recent years.
丹麦史密斯公司的对称齿轮式减速机以其结构紧凑，运行可靠，寿命长，效率高著称，近年来引进较多。
Symmetric Gear Reducers from F. L. Smidth are famous for their impact structure, operation reliability, long service life and high efficiency. Therefore many sets are imported in recent years.
丹麦史密斯公司的对称齿轮式减速机以其结构紧凑，运行可靠，寿命长，效率高著称，近年来引进较多。
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