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弹簧秤 | |||
弹簧天平 | |||
摆动游丝 | |||
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弹簧秤 |
spring -balance: 32 phrases in 14 subjects |
Agriculture | 1 |
Automobiles | 2 |
Aviation | 1 |
Business | 1 |
Chemistry | 1 |
Compressors | 1 |
Economy | 1 |
Metallurgy | 5 |
Nautical | 1 |
Oil / petroleum | 2 |
Plastics | 1 |
Shipbuilding | 2 |
Space | 1 |
Technology | 12 |