枢针 HINGE PIN
枢 HINGE (MALE)
枢 HINGE (FEMALE)
铝螺栓铰链组件 HINGE ASSEMBLY WITH ALUMINUM BOLTS
连接板 TIE PLATE
滑动轴承
滚柱轴承 ROLLER BEARING
滚动夹 ROLLER CLAMP
辊块配件
