静压取压孔 static pressure tapping
总压取压孔 total pressure tapping
壁取压孔 wall pressure tapping
法兰取压同心锐孔板 concentric orifice with flange taps ; taps
法兰取压偏心孔板 eccentric orifice with flange taps
径距取压标准孔板组件 LGBJ
法兰取压标准孔板组件 LGBF
角接取压园缺孔板组件 LGQ
避免大口径管道采用均速管测量非洁净流体时，取压孔被堵塞问题。
The method avoids that hole of taking pressure is blocked by used average-velocity tube to measure unpurged one phase fluid in the big pipe.
通过设置静力释放孔、预钻孔取土减小压桩挤土效应。
Earth extrusion effect is alleviated by setting static force release perforations and pre-bored perforations during pile pressing.
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