国际十进分类法。全英文版。切屑成形机械加工。切削磨削钣金加工等。
Universal decimal classification - English full edition - working, machining with chip formation - cutting, grinding, sheet working etc.
国际十进分类法。全英文版。切屑成形机械加工。切削磨削钣金加工等。
Universal decimal classification - English full edition - working, machining with chip formation - cutting, grinding, sheet working etc.
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