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關注：1
2013-05-23 12:21
求翻譯：因此又進行了氣密性聚氨酯彈性體的研究。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
因此又進行了氣密性聚氨酯彈性體的研究。
問題補充： |
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2013-05-23 12:21:38
Therefore, the tightness of polyurethane elastomer research.
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2013-05-23 12:23:18
It is also the tightness of polyurethane elastomers.
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2013-05-23 12:24:58
Therefore has conducted the gas tight polyurethane elastomer research.
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2013-05-23 12:26:38
Therefore conducted a study on air-tightness of polyurethane elastomer.
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2013-05-23 12:28:18
it is also the tightness of polyurethane elastomers. ;
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