ДМ и ОК - 2.1, 2.2 Этапы проектирования и требования, предъявляемые к машинам и их деталям.
2.1 Основные этапы проектирования механизмов и машин.
2.2 Общие требования, предъявляемые к машинам и их деталям.
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