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一种新材料的开发，常常会改变我们对制造方法的看法。虽然等温淬火球墨铸铁（austemperedductileiron，简称ADI）已存在了50年，ARRONRIMMER博士提出，我们仍应重视对这一资源的开发。
The development of a new material often changes the way we think about manufacturing methods. Although austemperedductileiron (ADI) has existed for 50 years, Dr. ARRONRIMMER has suggested that we should still attach importance to the development of this resource.