关节杆

【机】 articulated arm

关节的英语翻译：

articulation; joint; key links
【医】 arthr-; arthro-; arthron; article; articulatio; articulation
articulationes; articuli; articulus; artus; joint; junctura; syntaxis

杆的英语翻译：

mast; perch; pole; post; shank; staff
【化】 bar
【医】 culm; lever; rhadbo-; rod; stab; staff; stick