锯齿锁紧垫圈 meaning in Chinese

specifications for spring washers-toothed lock and serrated lock washers

Serrated lock washer external teeth for assembly
组合件用外锯齿锁紧垫圈
Specifications for spring washers - toothed lock and serrated lock washers
齿形锯齿锁紧垫圈
Countersunk serrated external toothed lock washers
锥形锯齿锁紧垫圈
Hexagon head bolt and serrated lock washer external teeth assemblies
六角头螺栓和外锯齿锁紧垫圈组合件
Internal external serration lock washer
内外锯齿锁紧垫圈

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