Under certain pre - tension from flange joint bolt, leakage of flange sealing had an obvious decrease, thus resolving sealing failure in cover flange of heat exchange.
在一定法兰连接螺栓预紧力作用下，法兰密封泄漏明显减少，从而解决了热交换器封头法兰密封失效的问题。
A fringe extrapolation method is put forward to decrease the leakage errors. Computer simulations and primary experiments have confirmed the analysis.
提出采用条纹外插以减小泄漏误差的方法，计算机模拟及初步实验证实了该方法的有效性。
To decrease the leakage of full closed wicket gate of reaction turbine is an important subject of improving the constructional characteristic of water turbine.
减少反击式水轮机导叶全关后的漏水量是改善水轮机结构性能的重要课题之一。
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