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выводить пузырёк уровня на середину stresses
cartogr.	centre the bubble
Makarov.	bring the bubble to the central position; bring the level bubble to the centre of its run; bring the level bubble to the middle of its run; set the bubble to the central position; set the level bubble to the centre of its run; set the level bubble to the middle of its run
mil.	level the bubble; level the level
mil., artil.	center the bubble