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Subject: multiple material grades Помогите перевести этот подзаголовок. Дальше идет контекст:Materials for flanges and flanged fittings may meet the requirements for more than one specification or grade of a specification listed in table 1. In that event, the pressure-temperature ratings for any of these specifications or grade may be used provided that marking is in accordance with para. 4.1. |
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specification - здесь ТУ grade of - класс или уровень, имхо |
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