frettage

常見例句

• There are wear and frettage in the inner hole rocker arm and column of Z32K radial drill after long time used.
  Z32K搖臂鉆床在長時(shí)間使用后,立柱與搖臂內(nèi)孔都存在著磨損或擦傷問題,利用超高分子量聚乙烯新材料,采取技改措施,對(duì)搖臂鉆床進(jìn)行鑲套修理,效果良好。
• frettage corrosion
  摩擦腐蝕
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