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| wash-prime coat | |||
| anti-scour protection; erosion control fillet | |||
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| wash-prime coat | |||
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防冲 层 : 11 phrases in 6 subjects |
| Architecture | 1 |
| Bridge construction | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 3 |
| Space | 1 |
| Technology | 3 |
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