The U - tube method is recognized as a standard for industrial routine estimations.

U形管方法被公认为日常工业鉴定的标准方法.

辞典例句

To solve the problem , the water level single - chamber equalizer side of drum was changed into U - tube.

提出了解决的办法 —— 把3号锅炉左侧汽包水位单室平衡器改成U 型 管.

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