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Develop machining process planning - the mechanical manufacturing process on the basis Develop machining proce...
作者：wencong
发布：2014-08-12
播放：121
Metal cutting Basics - mechanical manufacturing process on the basis Metal cutting Basics - ...
作者：wencong
发布：2014-07-07
播放：81
Welding and gas cutting - machinery manufacturing technology base Welding and gas cutting...
作者：wencong
发布：2014-07-07
播放：42
Forging - Machinery Manufacturing Technology foundation Forging - Machinery Man...
作者：wencong
发布：2014-07-04
播放：57

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