Joint type,feature and design of different insert were discussed according to the features of different flanging type and shape of flanging part.

　
英 美
  • 從翻邊件形狀分析入手,根據不同類(lèi)型翻邊的特點(diǎn),重點(diǎn)討論了垂直翻和傾斜翻凹模鑲塊的交接型式、特點(diǎn)和設計注意事項。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan