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。
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。
Collar locks are compatible only with conventional thread connections where a space exists between the two tubing joints.
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