In addition to providing mechanical or structural strength, the casing thread must be compatible with the pressures and fluids associated with the application.
除了提供机械强度或结构强度外，套管螺纹还必须与相关的压力和流体相适应。
Collar locks are compatible only with conventional thread connections where a space exists between the two tubing joints.
接箍锁块仅与常规螺纹连接部位相配合，这些连接部位在两节油管之间存在空间。
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