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olive knuckle butt
tech. 橄榄形肘状铰链
olive knuckle butts
archit. 松轴颌; 橄榄形肘节较链
tech. 松轴合页; 橄榄形肘节铰锈合页; 松节铰链; 橄榄形关节铰链
olive knuckle butt: 1 phrase in 1 subject
Technology1