Accurate density of gas-cut mud can be measured using a pressurized mud balance.

气侵泥浆的精确密度可以用加压泥浆比重秤测量。

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A gust of wind knocked him off balance and he fell face down in the mud.

一阵大风吹得他失去了平衡，脸朝下摔在了泥里。

《柯林斯英汉双解大词典》

So in such a formation construction, it is important to use the technology of drilling mud back to tank to balance the pressure of the loose layer and prevent the borehole collapse.

所以在这种地层中施工，利用泥浆回灌钻孔技术有效地平衡松散层压力不使其垮塌尤为重要。

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The man really is a romantic, richly nourished by self-delusion, and Mr. McConaughey, with his musical voice and commanding physique, sustains a delicate balance between Mud's poetic yearning for his girlfriend, Juniper she's played to slatternly perfection by Reese Witherspoon and his survival instinct, which prompts him to enlist his naive acolytes as accomplices to his escape.

WSJ: Classic, Your Name Is 'Mud' | Mud | At Any Price | The Reluctant Fundamentlist | Pain & Gain | Film Reviews by Joe Morgenstern