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 .
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。
Loneliness is not the feeling that should be evaded in our life, but a force from which an artist can get his inspiration in creation.
孤独已不是生命运动中需要逃避的一种情绪感觉，恰是艺术家从生命底蕴处获取创作的一种力量。
Human capital is the result of investment of intelligence, a significant competitive force in the economic life. The management and technological upgrading can not do without human capital.
人力资本是智力投资的产物，是经济生活中的重要的竞争力量，企业的经营管理和技术升级离不开人力资本的作用。
Experience of lacking, which can not be achieved by life force, is the inner impetus to the literary creation.
生命力量不能实现的缺失性体验是文艺创作的内驱力。
Experience of lacking, which can not be achieved by life force, is the inner impetus to the literary creation.
生命力量不能实现的缺失性体验是文艺创作的内驱力。
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