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| 一击贯入度 | |||
| 每锤击贯入度; 每击贯入度; 每锤贯入量; 每冲击一次套管的延深 (用锤夯入) | |||
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penetration per blow : 5 phrases in 2 subjects |
| Bridge construction | 4 |
| Technology | 1 |
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