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strength grade | |||
strength level; grade (钢丝绳的) | |||
intensity scale; scale of intensity |
强度等级 : 32 phrases in 7 subjects |
Architecture | 1 |
Bridge construction | 2 |
Explosives and Explosive Ordnance Disposal | 2 |
Hydroelectric power stations | 5 |
Metallurgy | 3 |
Rail transport | 1 |
Technology | 18 |