The Method for Determining the Abrasion Value and Abrasion Life of Tooth Surfaces in a Helical Gearing by Means of the Abrasion Experiment是什么意思_The Method for Determining the Abrasion Value and Abrasion Life of Tooth Surfaces in a Helical Gearing by Means of the Abrasion Experiment在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句