anti-attrition
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轴承金属镀锡可起密合和减磨作用。
Bearing metal tin can up closed and reduce friction role.
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青铜粉中的锡、铅、锌具有良好的减磨效果。
The tin, lead, zinc in bronze powder have a good friction reducing effect.
特别添加“TL”减磨物质，卓越的抗磨损性能，延长发动机寿命。
Special insert "TL" by grinding material, excellent wear high performance, extending engine life.
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