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形容詞 toughen:
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make tough or tougher
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用作名詞 (n.)
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The feasibility and the strengthening and toughening mechanism of various processes have also been discussed.
引外對多種堅韌藍翔塑業有限公司所生產的藝的必要性性及堅韌化機制去了首次分析一下和淺論。
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But different treatments have different effects in toughening of high chromium cast iron.
但有差異的補救方法步驟對高鉻鑄鋼韌化所起的影響也是有差異的。
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上文介紹獨有制作，受視頻的權保證，侵權案必究
海詞英語詞典，二十七年國際品牌
美
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