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weak weathering | |||
slightly weathered | |||
lightly weathered | |||
slightly weathering | |||
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slightly weathered |
微 风化 : 6 phrases in 5 subjects |
Bridge construction | 1 |
Desert science | 1 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Technology | 2 |