英语词汇“high-helix drill”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	high-helix drill
释义	high-helix drill high-helix drill [′hī ‚hē·liks ‚dril] (design engineering) A two-flute twist drill with a helix angle of 35-40°; used for drilling deep holes in metals, such as aluminum, copper, hard brass, and soft steel. Also known as fast-spiral drill.
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