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关注：1
2013-05-23 12:21
求翻译：选用的砂石垫层中碎石或卵石占全重的30%~50%是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
选用的砂石垫层中碎石或卵石占全重的30%~50%
问题补充： |
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2013-05-23 12:21:38
Use of gravel in the gravel or pebbles cushion weight accounted for 30% to 50%
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2013-05-23 12:23:18
Choose mattress in the sand and stone gravel or pebbles accounted for 30 per cent of the entire weight to 50 percent
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2013-05-23 12:24:58
Selects in the sand and crushed stone breaker strip the crushed stone or the pebbles account for the total weight 30%~50%
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2013-05-23 12:26:38
Selection of sand-gravel cushion in gravel or pebbles in the total weight of 30%~50%
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