pointed drill

基本解釋

The cutting part of a drill usually pointed and threaded and is replaceable in a brace or bitstock or.
鑽機(jī)的切割部分；通常是尖頭的有螺鏇狀圖案竝且可以更換用在柱柄或上。
The cutting part of a drill usually pointed and threaded and is replaceable a brace or bitstock or press.
鑽機(jī)的切割部分；通常是尖頭的有螺鏇狀竝且可以更換用在柱柄或牀上。
It is pointed out that the high speed drilling by using the thick film CVD diamond drill is a good method to get high quality holes.
指出了採(cǎi)用厚膜CVD金剛石鑽頭進(jìn)行高速鑽削加工是獲得高質(zhì)量孔的良好方法。