1) bit bounce
钻头跳动
2) raising and lowering of bit
钻头上下跳动
3) bit bounce
钻头回跳
4) head motion
机头跳动
1.
Influence of head motion on welding quality in titanium alloy linear friction welding;
钛合金线性摩擦焊机头跳动对焊接质量的影响
5) contact bounce
触头跳动
6) bit whirl
钻头涡动
1.
In order to drill hard formations effciently and economically, the identification and elimination of bit whirl motion become more and more important in drilling fields.
为了更有效和更经济地将ＰＤＣ钻头应用于坚硬地层的钻井，钻头涡动的识别及消除越来越受到人们的重视。
补充资料：三一回五一回
1.犹言三番五次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条