- back springs
- 背: body's back
- 弹簧: spring; mechanical spring
- 鱼背弹簧片: fish back spring leaf
- 弹簧: spring; mechanical spring◇弹簧秤spring balance; spring scale; 弹簧床 spring bed; 弹簧刀 spring tool; 弹簧钢 spring steel; 弹簧钢板 steel spring plate; 弹簧减振器 spring absorber; 弹簧铰刀 spring reamer; 弹簧铰链 spring hinge; 弹簧卷尺 spring wind tape; 弹簧扩张器 spring expander; 弹簧拉力表 spring dynamometer; 弹簧门 swing door; 弹簧片 spring lamination; 弹簧卡盘 split chuck; 弹簧卡钳 spring caliper; 弹簧伞 spring-loaded umbrella; 弹簧锁 [木] rim lock; night latch; snap- lock; spring lock; 弹簧小刀 flick-knife; 弹簧心夹 spring center clamp; 弹簧座圈 spring- leaf retainer
- （弹簧）钢夹: clip
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