活节 meaning in English

articulation
live knot
movable joint
swivel
unsound knot

Steel link chains ; chains and chainparts ; types , nominations
钢制活节链.链和链零件.类型名称
Methods for performance evaluation of articulated arm coordinate measuring machines
活节臂坐标测量机性能评价方法
Crown sling stay eye bolt
活节撑眼螺栓
Standard practice for installation of articulating concrete block revetment systems
活节混凝土块护坡系统安装的标准实施规程
Articulated connecting rod
活节连杆

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