piston scraping

常见例句

双语例句

• The piston top eccentricity and transverse velocity peak value are enlarged by 23% and 22% in the improved design, respectively, which increase the possibility of scraping cylinder.
  结果表明：进行上述改进设计后，活塞顶部横向偏移的幅值增加了23%，活塞横向运动速度的峰值增加了22%，增大了擦缸的可能性；
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