有幾幅數據圖，沒貼上來，圖省事。中國製造業唯利是圖，不願精益求精方麵花費，是通病。

來源: 信筆由墨於 2021-04-22 19:49:26 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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