undergauge bit
石油英语|能源动力行业英语第1467页 ... undergage尺寸不足 undergaugebit缩径钻头 undergaugehole小于钻头的井眼 ...
基于38个网页-相关网页
·2,447,543篇论文数据,部分数据来源于NoteExpress
在扩眼体设一斜水眼,在导眼体与扩眼体之间连接一缩径增效排屑环,强化了冷却清洗作用,从而保证钻头有较好的使用效果。
Set up a slant water hole at reamer, and connect the reamer and pilot with reducing synergy flute, which strengthen the cooling and washing function and ensure the bit's effects.
youdao
应用推荐
模块上移
模块下移
不移动