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back-fill consolidation | |||
backfill compaction; backfill tamping | |||
backfill consolidation | |||
puddled backfill | |||
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backfill consolidation; tamped backfill |
回填夯实: 15 phrases in 7 subjects |
Bridge construction | 3 |
Electronics | 1 |
Engineering geology | 2 |
Hydroelectric power stations | 3 |
Metallurgy | 1 |
Oil / petroleum | 2 |
Technology | 3 |