单词	internal upset forging
释义	internal upset forging 向内锻厚｛管｝
随便看	technological methods technological mineralogy technological mineralogy of silver technological mode technological preparation technological principle technological models technological modernization technological modification technological monitoring technological monopoly technological movement technological mycology Technological nature technological need technological network technological neutrality technological nihilism technological normative document technological obsolescence technological operation technological opportunity technological optimism technological-optimism technological optimization