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spring hinge
exhib. 弹簧铰链
tech. 旋门的地板弹簧铰链; 弹簧铰链 (门窗); 弹簧合页
spring hinges
archit. 弹簧铰链
spring hinge: 21 phrases in 4 subjects
Automobiles1
Shipbuilding2
Space1
Technology17