английский => русский Техника Металлургия / Литьё устройство для регулирования температуры газа в магистрали горячего газа

Advantageously, the device further comprises means for measuring the volume of gas flow of the first stream of mixed gas; and means for measuring the volume of gas flow of the second stream of mixed gas. Such means may be a venturi in the first or second feed line, a venturi in the first or second gas distribution system, acoustic emitters and receivers, annubar in the first or second feed line. This means may be provided individually or in combination with each other.

http://www.wipo.int/patentscope/search/en/detail.jsf?docId=W...

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