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check locking

commun., railw. ★ 照查锁闭
tech. 照查锁闭【铁
check lock
tech. 门锁防松装置; 保险附锁; 保险螺帽; 门锁螺栓防松器
check-lock ['ʧeklɔk]
gen. 保险锁
check locking
: 8 phrases in 3 subjects
Communications2
Space1
Technology5

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