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关注：1
2013-05-23 12:21
求翻译：Use fine compound on poppet seats when lapping. Be sure that the poppet seats are actually in contact with the seats on the rings (5&6) and that the poppet is not hung up on the parabola.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
Use fine compound on poppet seats when lapping. Be sure that the poppet seats are actually in contact with the seats on the rings (5&6) and that the poppet is not hung up on the parabola.
问题补充： |
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