The on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.
天然气孔板流量计的现场检定,采用以文丘里音速喷嘴作为标准表的传递型校准法。
This article discusses the method and accuracy for header differential steel nozzle fillet magnetic particle inspection, and shows the actual dissection result that the author did on products.
对集箱异种钢管接头角焊缝磁粉探伤的方法和准确性进行了探讨,并在产品上进行了实物解剖验证。
应用推荐