screwed retaining ring
... 防脱锌 DZR 防脱螺母 screwed retaining ring 防脱丝性 RUN RESISTANCE ...
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带防脱压紧螺母 gland nut with anti-drop off
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支架的两端设有端盖及防脱螺栓和螺母，防止已安装好的电视机滑脱出支架。
Both ends of the bracket are provided with end covers and anti-off bolts and nuts to prevent the arranged TV slipping off the bracket.
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