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| bypass air duct; compressor air flow duct; bypass duct (двигателя) | |||
| plenum chamber | |||
| secondary barrier (радиационной защиты) | |||
| secondary coolant circuit (реактора) | |||
| secondary circuit (MichaelBurov); reactor secondary circuit (MichaelBurov); secondary cycle (MichaelBurov); secondary loop (MichaelBurov) | |||
| bypass duct (двухконтурного двигателя); secondary coolant circuit (ядерного реактора); secondary duct (двухконтурного двигателя) | |||
| второй контур: 149 phrases in 16 subjects |