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關注：1
2013-05-23 12:21
求翻譯：篩分組成和機械強度是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
篩分組成和機械強度
問題補充： |
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2013-05-23 12:21:38
Screening composition and mechanical strength
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2013-05-23 12:23:18
Sieving composition and mechanical strength
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2013-05-23 12:24:58
Size composition and mechanical strength
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2013-05-23 12:26:38
Screening compositions and mechanical strength
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2013-05-23 12:28:18
Sieve composition and mechanical intensity
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