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  • 匿名
关注:1 2013-05-23 12:21

求翻译:最近几年,在合成PBI的方法上已经做了很多努力。是什么意思?

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最近几年,在合成PBI的方法上已经做了很多努力。
问题补充:

  • 匿名
2013-05-23 12:21:38
In recent years, in the method of synthesis pbi have done a lot of effort.
  • 匿名
2013-05-23 12:23:18
In recent years, the synthetic PBI method has been done on a lot of effort.
  • 匿名
2013-05-23 12:24:58
Recently several years, in synthesized PBI in the method already to do very many diligently.
  • 匿名
2013-05-23 12:26:38
In recent years, has made a lot of efforts on synthesis methods of PBI.
  • 匿名
2013-05-23 12:28:18
正在翻译,请等待...
 
 
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