spear drill的意思|示意
[医] 剑头锥
spear drill相关短语
1、 twist-drill spear 一种打捞工具
2、 regular drill collar spear 标准式钻铤打捞矛
3、 spear point flat drill 翻译
4、 spear point drill 剑尖锥
5、 wash-over drill collar spear 冲洗钻铤打捞矛
6、 spear r drill 矛状锥
7、 spear-point drill 剑形锥
8、 drill spear 一种打捞工具
spear drill相关例句
Be careful not to brace with your palms at any point of this drill, but spear with the fingertips.
小心不要支撑与你的手掌在任意点的,但枪钻的指尖。