For hard and heat sensitive steel ,such as hard ened steel ,bearing steel ,HSS,high carbon steel .mainly for tools , measures,dies ,gears and thin wall parts.是什么意思_For hard and heat sensitive steel ,such as hard ened steel ,bearing steel ,HSS,high carbon steel .mainly for tools , measures,dies ,gears and thin wall parts.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句