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pipeline valve
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pipeline valve
Encyclopedia
工学
〔管道设施〕
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pipeline valve
管道阀门
油气管道系统中用于控制油(成品油、原油)、天然气等各种类型流体介质流动的元件。
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fluting
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flutter
flutter equation
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fluvial coal-accumulating environment
fluvial coal-accumulating model
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fluvial processes
fluvial system
fluvial terrace
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fluviograph
Fluvo-aquic soils
flux
flux adiabatic invariant
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flux autocorrelation function
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