pipe wall gage 管壁厚度测量仪
pipe-wall gauge 管壁厚度测量仪
pipe wall injury 管壁损伤
X-ray pipe-wall gauge 射线管壁测量仪 ; 射线管壁厚度差测量仪
X-ray pipe-wall gauge X 射线管壁测量仪 ; 射线管壁厚度差测量仪
The reverse flow region is observable near the pipe wall.
管壁附近存在明显的回流再附区;
By using computer to calculate, we find the fluid flush on the curved pipe wall is also oscillatory.
本文还通过计算机计算,得知流体对弯管两侧的冲刷力也是振荡的。
This paper introduces a new wall protection method for drilling loose strata casing pipe wall protection.
本文介绍一种新的钻探松散地层护壁方法——套管护壁“三板斧”。
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