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关注：1
2013-05-23 12:21
求翻译：General precision coupling cost less than high-precision coupling; simple structure, good coupling technology costs significantly less than the coupling of complex structures, poor technology using coupling of material as raw material costs fall below the coupling with special materials as raw materials; non-metallic f是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
General precision coupling cost less than high-precision coupling; simple structure, good coupling technology costs significantly less than the coupling of complex structures, poor technology using coupling of material as raw material costs fall below the coupling with special materials as raw materials; non-metallic f
问题补充： |
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