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minimum sound wall

强调
一般 минимальная толщина прочной стенки (ISO 13583-1: thickness that remains when all the porosity and roughness associated with the internal and external cast surfaces have been removed by machining • Internal cleanliness of MSW is ensured by internal boring of coils. proz.com Коллеженька); минимальная толщина стенки обеспечивающая необходимую прочность (ISO 13583-1: thickness that remains when all the porosity and roughness associated with the internal and external cast surfaces have been removed by machining • Internal cleanliness of MSW is ensured by internal boring of coils. proz.com Коллеженька)
minimum sound
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