Shield tunneling method has become a primary method in underground excavation with its predominance, earth pressure balanced shield tunneling (EPBS) is the most universal type in our country.

盾构隧道法开挖凭借自身的优势成为城市地下施工的主要手段，其中土压平衡式盾构目前在国内使用较为普遍。

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The United States VTON Granville shield imported pneumatic multi-stage step-down regulator valve, using the sleeve guide, pressure balanced valve.

美国VTON威盾进口气动多级式降压调节阀，采用套筒导向，压力平衡式阀芯。

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The factors obtained are beneficial to the use of foams in Earth Pressure Balanced Shield Tunneling.

得出了气泡改良开挖土体的主要影响因素，对盾构用气泡在实际中的应用具有指导意义。

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We asked if they were able to set aside this pressure and take an independent, balanced view.

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