虽然井下节流器有许多优点,但在施工过程中具有一定的安全风险,本文针对CQX型井下节流器在投捞作业施工过程中存在的安全风险进行分析,并提出解决措施.%Although the down hole throttling device has many advantages, but has security risk at a certain degree in the construction process. The paper analyzes the security risk in salvage operation for type CQX down hole throttling device, and proposes the solutions.
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