wiper seal

• 刮油密封环

wiper seal的用法和样例：

例句

1. The pressure seal area can also be refinished with a simple honing tool.
   压力密封区域也可以采用简单的镗磨工具进行表面整修。
2. The wiper seals are usually pretty effective, but if the fork's always filthy some stuff will find its way in and wreak havoc.
   压力密封通常非常稳定而有效，但如果它总是被污物填充它会被严重损坏。