Sound speed nozzles have the advantages of high-accuracy, stable-performance and convenient to operate. It is an ideal standard gas flow rate facility.
音速喷嘴具有精度高、性能稳定，操作方便等优点，是理想的气体流量标准设备。
Sound speed nozzles have the advantages of high-accuracy, stable-performance and convenient to operate. It is an ideal standard gas flow rate facility.
音速喷嘴具有精度高、性能稳定，操作方便等优点，是理想的气体流量标准设备。
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