... masonry-lined tunnel 圬工衬砌隧洞 medium pressure tunnel 中压隧洞 mountain tunnel 穿山隧洞 ...
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In wind tunnel test, the base bleed ratio of higher accuracy is obtained by measuring and controlling the total pressure of the bleed medium in front of flowmeter.
在风洞中模拟底排实验，通过测量和控制流量计前介质总压，获得了较高准确度的底部排气率。
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