Company main: rivet, screw, nut, stud, spring screws, various case fasteners.
公司主营：铆钉、螺柱、螺丝、螺母、弹簧螺丝、各种机箱紧固件等。
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A spring gasket is also arranged between the flat gasket and the nut.
在平垫圈和螺母之间还装有弹簧垫圈。
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模块上移
模块下移
不移动