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release spring
angl. 松开簧
auto. 分离回位弹簧
compr. 松开弹簧
dril. 释放弹簧
nautic., tech. 安全弹簧
shipb. 放松弹簧
tech. 缓解弹簧; 松放弹簧; 复原弹簧
textile 复位弹簧
release spring: 20 phrases in 5 subjects
Astronautics1
Automobiles2
Oil / petroleum1
Rail transport3
Technology13