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spring balance ['sprɪŋ'bæləns]
gen. 弹簧秤
agric. 弹簧天平
tech. 摆动游丝
spring-balance
hydroel.st. 弹簧秤
spring -balance: 32 phrases in 14 subjects
Agriculture1
Automobiles2
Aviation1
Business1
Chemistry1
Compressors1
Economy1
Metallurgy5
Nautical1
Oil / petroleum2
Plastics1
Shipbuilding2
Space1
Technology12