输送管道内外的扩张 Expanding of the Foam
缠绕成型管道的内衬层 Filament-wound glass-reinforced plastics
管网的管道内容积 VP
内的管道安全办公室 OPS ; Office of Pipeline Safety
流体传输管道内的压力脉动反映了流体动态流动的基本特性。
The pressure surge in fluid transmission pipeline is one of the basic characteristics of fluid dynamic flow.
类似地，屋顶的吸热板可以加热管道内的液体，为住宅提供热水。
Similarly, absorbent plates on a roof can heat liquid in tubes that supply a house with hot water.
从流变学原理出发，分析泵送混凝土在输送管道内的流动特性和压力变化情况。
According to the rheology theory, flow characteristics and pressure fluctuation of pumped concrete in conveying pipe are analyzed.
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