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射束手衡 | |||
杠杆秤; 杠杆天平 | |||
射束平衡 | |||
杠杆式天平; 杠杆式秤 |
beam balance : 32 phrases in 14 subjects |
Agriculture | 3 |
Architecture | 1 |
Automated equipment | 2 |
Construction | 1 |
Drilling | 1 |
Gymnastics | 2 |
Mechanics | 3 |
Metallurgy | 4 |
Mining | 1 |
Oil / petroleum | 5 |
Space | 1 |
Sports | 1 |
Technology | 6 |
Transport | 1 |