Because of short diameter and fast flow of fluid, effect between the two-phase fluids can be ignored.

由于管径小，工质流动速度快，可以不考虑管内两相工质间的相互作用。

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Short diameter saturated steam pipes belong to passive thermodynamic objects.

小直径饱和蒸汽管道属于无源热工部件。

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From the side view silhouette, classic rear-drive sport sedan proportions are conveyed by an extended dash-to-axle length, short overhangs, large-diameter wheels, sharply-tapered greenhouse, and short rear deck.

ENGADGET: Hyundai unveils HCD-14 Genesis concept: suicide doors, gesture and eye controls

It is called the 5M - short for 5 megawatts - has a 126m diameter, and the one turbine has the ability to power 4, 500 households.

BBC: NEWS | Europe | Germany split over green energy