Usually there are 12 categories which are bolt , stud, screw, nut , self tapping screw, wood screw, gasket, retainer ring, pin, composite member, bolting, and soldering lamp.
它通常包括以下十二类零件：螺栓、螺柱、螺钉、螺母、自攻螺钉、木螺钉、垫圈、挡圈、销、组合件和连接副、焊钉等。
A screwdriver is used to remove the spiral seat retainer ring from its groove.
采用一把螺丝刀从凹槽中拆卸螺旋阀座定位器环。
This type bearing consists of a sleeved outer ring, multi-row balls and a retainer.
直线运动轴承由一个圆筒形外圈和多列钢球及保持架组成。
This type bearing consists of a sleeved outer ring, multi-row balls and a retainer.
直线运动轴承由一个圆筒形外圈和多列钢球及保持架组成。
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