The damage of fretting scar edge was caused by adhesive wear,and the center part of fretting scar was damaged by abrasive wear and contact fatigue.是什么意思_The damage of fretting scar edge was caused by adhesive wear,and the center part of fretting scar was damaged by abrasive wear and contact fatigue.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句