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практический потолок stresses
aerohydr.	usable ceiling; service ceiling (самолёта)
astronaut.	effective celling; operating celling; practical celling; service celling; usable celling
avia.	service ceiling; operating ceiling
avia., Makarov.	ceiling
mil.	service ceiling (ЛА); operational ceiling

практический потолок: 1 phrase in 1 subject

Technology

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