For straight holes, bow spring centralizers are sufficient and commonly used.
对于直井，弓型弹簧扶正器足以满足上述功能，并被通常使用。
There are two distinct classes of centralizers. The older and more common is a simple, low-cost bow-spring design.
有两大类扶正器：有一种使用时间长，且比较普遍、简单、成本低的弓型弹簧设计的扶正器。
Hold centralizers cement baskets on any position of casing, which ensures the positions of centralizers cement basket to meet the design.
可将弹性套管扶正器或水泥伞置于套管本体上的任意部位，确保扶正器的安放位置满足设计要求。
For deviated wellbores, where gravitational force pulls casing to the low side of the hole, more robust solid-bladed centralizers are better if hole conditions allow their use.
对于斜井，由于重力迫使套管平躺于井壁的下侧，如果井眼条件允许，更为结实的固体刀翼式扶正器更为合适。
In the first section, namely 3.1, we obtained some description of the structure of some finite groups whose centralizers or normalizers of Abelian subgroups satisfy some conditions.
在第一部分3.1中，给出了若干由交换子群的中心化子或正规化子满足的条件所确定的有限群的结构描述。
The multifinger caliper tool string to be used for casing inspection was centralized using the combination of a strong, optimally placed, spring loaded roller and stiff arm centralizers.
用于检查套管尺寸的多触点井径测量工具管串，采用结实的、安放位置经过优化的、弹簧加载的滚子及刚性臂扶正器进行居中。
The multifinger caliper tool string to be used for casing inspection was centralized using the combination of a strong, optimally placed, spring loaded roller and stiff arm centralizers.
用于检查套管尺寸的多触点井径测量工具管串，采用结实的、安放位置经过优化的、弹簧加载的滚子及刚性臂扶正器进行居中。
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