The difference between a drill and

The difference between a drill and a end mill is that there is no cutting edge on the side. In addition to the main cutting edge, the woodworking drill has a sharp countersink edge on the outer edge to cut wood fibers and make the side of the hole more flat.

結果 (繁體中文) 1:

鑽頭和端銑刀之間的區別是，有在側面沒有切削刃。除了主切削刃中，木工鑽頭對外緣切木纖維的尖銳邊緣埋頭和使該孔的側更平。

結果 (繁體中文) 2:

鑽頭和端銑刀的區別在於側面沒有切削刃。除了主切削刃外，木工鑽頭在外邊緣具有鋒利的側下邊緣，可切割木纖維，使孔的側面更加平坦。

結果 (繁體中文) 3:

鑽頭和立銑刀的區別在於側面沒有切削刃。除了主切削刃外，木工鑽的外緣還有一個鋒利的埋頭孔刃，用來切削木纖維，使孔的側面更加平整。