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lock ring
auto. ; 挡圈
compr. 闭锁环
dril. 锁紧圈; 止动环
plast. 密封圈
space 锁环; 紧箍; 限定圈
lock ring
: 31 phrases in 7 subjects
Automobiles9
Electronics1
General2
Mechanics1
Oil / petroleum2
Space2
Technology14