Sensitivity analysis is done to the different results; the publication bias is evaluated by funnel plots and fail-safe number.

对不同纳入标准的结果进行了敏感性分析，用漏斗图和失安全数评估发表偏倚。

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As a replacement of valve number 1 with Red valve's Type a and pneumatic fail-safe system 700, valve number 3 has accomplished an improvement in the fluid dynamics of the system.

作为1号阀的替代品，美国红阀公司A型夹管阀和无故障气动系统700，也就是左图中的3号阀，极大地改善了流体介质的流动性。

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