外半径
Circumferential Ultrasonic Test for Forged Cylinder with the Ratio of Inner Radius to Outer Radius Less Than 0.8
内外径之比小于0.8筒形锻界周向超声检测
Through the model well test of acoustic log, the paper discussed the affect of outer radius of model well on acoustic waveform.
本文通过声波测井模型井实验,讨论了模型井外径对声波波形的影响。
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