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ring lock
auto. 活塞销锁环; 活塞环止动器
tech. 环锁; 暗码锁; 环〔暗码〕锁
ring-lock ['riŋlɔk]
gen. 环锁; 暗码锁
ring lock: 33 phrases in 9 subjects
Automobiles10
Compressors1
Drilling2
Electronics1
Mechanics1
Oil / petroleum2
Plastics1
Space4
Technology11