指出油管锚（油管张力锚除外）不仅可以控制管柱的伸缩，而且可以改善管柱的受力状况，延长油管的使用寿命。

The author pointed out that tubing anchor can not only control the tubing flex , but also improves force status , prolong the using life of tubing strings .

youdao

指出油管锚（油管张力锚除外）不仅可以控制管柱的伸缩，而且可以改善管柱的受力状况，延长油管的使用寿命。

The author pointed out that tubing anchor can not only control the tubing flex , but also improves force status , prolong the using life of tubing strings .

youdao