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nut locking
tech.	螺母锁紧
nut lock
auto.	螺母锁紧固定; 锁紧螺母
mech.eng.	螺母锁紧〔保险〕
met.	螺母保险; 螺母锁紧
railw.	缩紧螺母
tech.	螺母锁紧动螺帽; 螺帽锁; 螺帽固定器

nut locking: 86 phrases in 19 subjects

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