A coarse file with sharp, raised, pointed projections.
粗锉一种有锋利, 突出, 尖锐凸起的钝锉子
To file or scrape with a coarse file having sharp projections.
粗锉用粗糙的锉子擦，锉或刮，发出刺耳的声音
A coarse file with sharp pointed projections. sharpen with a strap.
有尖端的粗糙的锉刀。用磨刀皮带使变得尖锐。
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