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5)contact bounce,触头跳动6)bit whirl,钻头涡动
用法例句
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
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.
