符合国情
发表于 2025-3-23 11:48:14
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Motilin
发表于 2025-3-23 17:46:49
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incision
发表于 2025-3-23 19:44:43
Hot and cold bulk deformation processes,tal goods can be manufactured, it is necessary to transform these cast metal forms into . like metal sheets, wire, and rods, which are the starting point for the manufacture of more complex products. . or . processes like ... which involve large scale plastic deformation are used for this purpose. U
BUMP
发表于 2025-3-23 23:50:15
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偏见
发表于 2025-3-24 04:56:47
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雕镂
发表于 2025-3-24 07:01:01
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感情脆弱
发表于 2025-3-24 12:41:46
Surface finishing processes,orkpieces which have already been machined by other methods. Very little metal is removed in this operation. Grinding is also used to machine materials which are too hard to be machined by other methods.The different types of grinding processes are:
Exposure
发表于 2025-3-24 15:40:58
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multiply
发表于 2025-3-24 20:38:43
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Immobilize
发表于 2025-3-25 02:38:29
hand tools has been almost eliminated. However, hand tools are still required for many purposes in industry, like the making of . and ., and for the . and . of equipment. Some of the most common hand tools are shown in Fig 3.2 and a brief description of their use is given below.