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关注：1
2013-05-23 12:21
求翻译：直埋式预制保温管应被用来采用埋地敷设的方式，并且周围回填细砂是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
直埋式预制保温管应被用来采用埋地敷设的方式，并且周围回填细砂
问题补充： |
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2013-05-23 12:21:38
Prefabricated insulation buried pipe should be laid underground for the use of the way, and the surrounding backfill sand
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2013-05-23 12:23:18
has been buried prefabricated insulated pipe shall be used to using underground laying around, and backfilling the way sand
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2013-05-23 12:24:58
Buries the type prefabrication tubular holder to be supposed straight the way which uses for to use buries lays, and periphery backfill granulated sugar
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2013-05-23 12:26:38
Prefabrication of directly buried insulating pipe should be used to introduce direct in ground, around and backfill sand
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2013-05-23 12:28:18
Prefabrication of directly buried insulating pipe should be used to introduce direct in ground, around and backfill sand
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