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關注：1
2013-05-23 12:21
求翻譯：秸稈覆蓋的作用與機理是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
秸稈覆蓋的作用與機理
問題補充： |
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2013-05-23 12:21:38
The role and mechanism of straw mulch
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2013-05-23 12:23:18
Role of straw covered with machine acting
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2013-05-23 12:24:58
The straw stalk cover function and mechanism
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2013-05-23 12:26:38
Effect and mechanism of straw mulch
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2013-05-23 12:28:18
Effect and mechanism of straw mulch
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