换头改造 Reformation of Changing head 换头牙刷 For the first toothbrush ; Food-for-head toothbrush ; Change head toothbrush ..
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换头改造
Head replacement and modification
以上为机器翻译结果，长、整句建议使用 人工翻译 。
主要介绍了电液锤换头改造模锻锤和空气锤过程中遇到的突出问题及解决的办法。
The economic results changing the head queen and outstanding problem and way solving in electricity liquid hammer reform process has been introduced mainly.
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