一言難盡
汽車外殼是衝壓件,加工水平決定於加工機械和模具的製造水平。
本文內容已被 [ 驚蟄雨 ] 在 2011-07-02 08:18:13 編輯過。如有問題,請報告版主或論壇管理刪除.
一言難盡
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