كيف يتم التصلب التعريفي للأجزاء المحززة؟
https://www.youtube.com/watch?v=TOcynZ9NSqU At present, there are many types of grooved quenched parts, such as camshaft opening grooves, differential housings, etc.
https://www.youtube.com/watch?v=TOcynZ9NSqU At present, there are many types of grooved quenched parts, such as camshaft opening grooves, differential housings, etc.
الحصول على اقتباس