铰链接头 meaning in Chinese

hinge joint

Steel wire and wire products for fences . part 5 : steel wire woven hinged joint and knotted joint mesh fencing
栅栏用钢丝和钢丝制品.第5部分:钢丝编织的铰链接头网眼栅栏和打结网眼栅栏
Plastics piping systems . joints for glass - reinforced thermosetting plastics pipes and fittings . test methods for leaktightness and resistance to damage of flexible and reduced - articulation joints
塑料管道系统.玻璃纤维增强式热固性塑料管件和配件接头.挠性和减缩型铰链接头耐泄漏和损坏试验方法