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关注：1
2013-05-23 12:21
求翻译：用于运动场地的弹性高分子材料在上世纪50年代末60年代初即已推出是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
用于运动场地的弹性高分子材料在上世纪50年代末60年代初即已推出
问题补充： |
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2013-05-23 12:21:38
Elastic polymer materials used in sports venues already introduced in the early 1960s, the end of the 1950s
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2013-05-23 12:23:18
For the sports on flexible polymer material in the late 50s early 60s that has been introduced
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2013-05-23 12:24:58
Uses in the sports ground the elastic high polymer material namely promoting in on century at the end of 50's the beginning of 60's
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2013-05-23 12:26:38
Elastic polymer materials used in sports venues in the early late 50 that is available
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2013-05-23 12:28:18
正在翻译，请等待...
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