drill tool life

常见例句

Based on this, we may make improvement to prolong the life of screw drill tool and screw pump.
这一观点，有可能使螺杆钻具与螺杆泵的寿命短的现状有所改善。
In this paper, a new drill-counterbore tool has been introduced. It indicated that its performance usage of range, efficiency and service life are better than that Germany.
介绍了一种新型钻一锪复合刀具。生产实践表明，其性能、适用范围、效率和寿命皆优越于德国钻一锪刀具。
Taking use of the shock absorber, it can raise the service life for drill bit and drill tool, speed up drilling, get rid of drilling jumping , well protect surface equipments and drilling tools.
所以在钻井作业中采用减震器，对于延长钻头使用寿命，加快钻进速度、克服严重跳钻、保证正常钻井、保护地面设备及钻具是十分可靠的。