1.劃線基準(zhǔn)的選擇原則(表2-3)表2-3 劃線基準(zhǔn)的選擇原則2.劃線步驟(表2-4)表2-4 劃線步驟3.劃線方法(1)平面劃線方法(表2-5)表2-5 平面劃線方法(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(2)立體劃線方法(表2-6)表2-6 立體劃線時(shí)工件的支承方 (共 403 字) [閱讀本文] >>
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 1.劃線基準(zhǔn)的選擇原則(表2-3)表2-3 劃線基準(zhǔn)的選擇原則2.劃線步驟(表2-4)表2-4 劃線步驟3.劃線方法(1)平面劃線方法(表2-5)表2-5 平面劃線方法(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(2)立體劃線方法(表2-6)表2-6 立體劃線時(shí)工件的支承方 (共 403 字) [閱讀本文] >>