Steam flow measurement is achieved by the use of a calibrated orifice plate and differential pressure transducer.
蒸汽流量的测量是通过用一个可测量孔口直径的压力传感器来实现的。
The material selection and airflow measurement of the standard constant flow orifice were described.
同时还对标准恒流孔的材料选择及流量测量进行了论述。
Orifice plates are the second choice for general duty flow measurement where vortex meters or other types of meters are not suitable or where redundant measurement is required.
在涡流表或其它类型的仪表不适合的普通用途的流量测量，或要求冗余测量的地方，孔板是第二选择。
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