综述了石油钻杆接头失效的十一种主要形式.Eleven mare modes of tool joint failures are summarized.那个钻杆的丝扣坏了, 换另外一根.That pipe thread is bad. Use another one instead.本文还介绍了微型钻杆测试系统压力瞬时分析方法.A systematic pressure transient analysis method for min...
I really feel in the pink after a fortnight's holiday.度了两星期假后,我的确感到身体非常舒适.You need a break. Why not take a fortnight off from work?你需要休息, 为什么不休假两周 呢 ?Got a job bottle-washing at the brewery. I lasted a fortnight. I ...
这些额外的木楔是以防万一的.These were extra wedges in case they should be needed.他把木楔打进木材缝中.He inserted the wedge into a split in the log.凡是的办理办法是用塞木楔来举行把持, 使纸弛保留在统一立体上.The general approach is chock wooden wedge for control, making p...