piston scraping
常见例句
- 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.
結果表明：進行上述改進設計後，活塞頂部橫曏偏移的幅值增加了23%，活塞橫曏運動速度的峰值增加了22%，增大了擦缸的可能性； 返回 piston scraping