该流量计通过测量气体若干点的流速反映总体气体的流量。
The total volume flow of the gas is measured with several points of the measurement velocity.
指出前者适合于大管路中的液体喷洒，不易发生气体短路；后者特别适用于大流量、高流速气体管路中的液体喷洒。
The former is used for liquid spraying in thick pipes to ensure against gas short-cut and the latter is particularly fit into the pipes with large flux and high velocity of gases passing through.
它也认识到，体积密度的气体质量相当大的影响，因为它影响在火灾中燃料的停留时间，燃油流速和气体流量。
It is also recognised that bulk density has considerable impact on gas quality, as it influences the fuel residence time in the fire box, fuel velocity and gas flow rate.
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