机械类英文翻译

翻译成功追加100分。Torsionalvibrationoccurswhenthecrankshafttwistsbecauseofpowerstrokethrusts... 翻译成功追加100分。
Torsional vibration occurs when the crankshaft twists because of power stroke thrusts. It is caused by cylinders furthest away from the crankshaft output. As these cylinders apply thrust to the crankshaft, it twists and the thrust decreases. The twisting and unwinding of the crankshaft produces a vibration. The use of a vibration damper at the end of the crankshaft opposite the output acts to absorb torsional vibration.
Extreme pressure may be applied to high spots on the piston rings(活塞环)during the wear-in period . This can cause the piston rings to overheat at these points and cause damage to the cylinder walls in the form of rough streaks. This condition is called scuffing. New piston rings are coated with porous material, such as graphite, phosphate, or molybdenum. These materials absorb oil and serve to minimize scuffing. As the rings wear in, the coatings wear off.
Some piston rings are chrome-plated. Chrome-plated rings provide better overall wearing qualities. They also are finished to a greater degree of accuracy, which lets the piston rings wear in faster.
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y4ha6ha5
2008-03-25
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扭转振动发生时,曲轴曲折,因为权力的中风是双管齐下。 It is caused by cylinders furthest away from the crankshaft output. As these cylinders apply thrust to the crankshaft, it twists and the thrust decreases.捻线和舒展曲轴产生振动。使用一种减振器在去年底曲轴对面的输出行为,以吸纳扭振。
Extreme pressure may be applied to high spots on the piston rings(活塞环)during the wear-in period .这可以导致活塞环过热,在上述各点,并造成损害,从而影响气缸壁,在形成粗条纹。 This condition is called scuffing.新的活塞环涂有多孔材料,如石墨,磷,或钼。这些材料会吸收油和服务,以最大限度地减少擦伤。 As the rings wear in, the coatings wear off.
Some piston rings are chrome-plated. Chrome-plated rings provide better overall wearing qualities. They also are finished to a greater degree of accuracy, which lets the piston rings wear in faster.

参考资料: Google 翻译

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yanimusic
2008-03-26 · TA获得超过823个赞
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由于膨胀冲程推力,曲轴在旋转时会发生扭转振动。当这些气缸给曲轴推力后,曲轴旋转同时推力减小。曲轴的旋转产生振动,位于曲轴后端的减震器吸收掉扭转振动能量。

在活塞环磨合期内,极端压力可能改变活塞环的品质。这时会导致活塞环过热,气缸壁也会损坏,出现裂纹,这种情形为划伤。新活塞环涂有多孔性材料,如石墨,磷,或钼。这些材料会吸收油,以最大限度地防止划伤。当活塞环磨合时,这些涂料损耗掉。一些活塞环镀有铬,镀铬环更抗磨损,同时工艺精密,活塞环能够更快磨合。

经常看父亲修车,对发动机内部构造与原理多少知道些。勉强翻译了一下,那些专业词汇让人头疼。很是查了一番资料,也没找到有用的。
the crankshaft output是什么部件,曲轴前端?慎重地落下一句。
The twisting and unwinding是什么运动?
scuffing专业说法是什么?
如果把这些解决了就好了。
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