straight pressure balanced expansion joint
...力平衡型膨胀节bend pressure balanced expansion joint 3.11 直管压力平衡型膨胀节straight pressure balanced expansion joint 3门2 外压单式轴向型膨胀节externally pressurized single axial expansion joint ..
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straight pressure balanced expansion joint
直压力平衡膨胀节
以上为机器翻译结果，长、整句建议使用 人工翻译 。