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Subject: Подписи по сварке Из примечаний к чертежу.1.- THE WELD MUST CONSIST OF CONTINUOUS WELD LAYERS. EACH PASS WILL BE STAGGERED AT THE START & STOP POINTS A MINIMUM OF 13 mm. 2. FACE OF FLANGE SHALL HAVE 125-250 AARH-SPIRAL, 45 TO 55 GROOVES. Второй пункт - ? |
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класс отделки поверхности AARH = Arithmetic Average Roughness Height http://www.mackiron.com/images/Capabilities/finishes.htm |
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