If there is a device for throttling the gas flow upstream of the rotor, the meter may incorporate, as well as the pressure tapping required by item 3.2.1 of this Chapter, another pressure tapping immediately before the throttle to permit determination of the pressure drop across the throttling device.
Online Language Learning Tool SkELL allows users to search for phrases in sentences, collocates and similar words. These examples have been automatically selected and may contain errors.
