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关注:1
2013-05-23 12:21
求翻译:This paper describes an attempt to burnish a plastic-injection-mould cavity insert made of pre-hardened AISI P20 alloy steel.是什么意思? 待解决
悬赏分:1
- 离问题结束还有
This paper describes an attempt to burnish a plastic-injection-mould cavity insert made of pre-hardened AISI P20 alloy steel.
问题补充: |
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