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锁紧环
compr. check ring; locking ring
dril. clip ring
el. coupling ring; cramp ring
el.mach. circlip; building ring
met. binding ring; chuck ring; clamping collar; stop ring; stopper ring
tech. clamping ring; end ring; retaining ring
textile snap ring
锁紧
dril. check ring
锁紧环
: 5 phrases in 3 subjects
Drilling1
Oil / petroleum2
Technology2