... steam boiler 蒸汽锅炉 steam bronze 汽阀青铜 steam calender 蒸汽轧光机 ...
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bronze zeng with steam pillar 青铜汽柱甑
steam valve bronze 蒸汽阀青铜
bronze zeng ith steam pillar 青铜器汽柱甑
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The balanced pressure duplex phosphor bronze diaphragm is a highly sensitive modulating unit thermally programmed to provide accurate steam conserving operation.
平衡压力双磷青铜隔膜是一种热程序高敏感性调节装置，具有精确的蒸汽保存功能。
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