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1 trapped-needle principle
принцип совместного движения [слияния] двух стрелок прибораEnglsh-Russian aviation and space dictionary > trapped-needle principle
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2 principle
hot gas cycle principle — принцип реактивного привода (несущего винта) с дожиганием топлива в концевых горелках, турбореактивный принцип
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