dead smooth file 最细锉 ; 光锉 ; 油光锉
half smooth file 中齿锉
triangular smooth file [机] 细三角锉
smooth cant file 细斜锉
You have to file away for hours to get this metal smooth.
你要想你这块金属光滑,必须用锉刀不停地锉上几小时。
The file hard (60rc) high strength aluminum alloy tube provides a smooth corrosion free sealing surface and excellent abrasion resistance.
文件的硬(60rc)高强度铝合金管提供了一个平稳无腐蚀密封面和良好的耐磨性。
The file hard (60RC) high strength aluminum alloy lobe tube provides a smooth, corrosion-free abrasion-resistant sealing surface.
文件的硬(60RC)高强度铝合金叶管提供了一个平滑,无腐蚀耐磨密封面。
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