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Larger sizes have needle bearing type thrust bearings.

较大通径的截止阀配置针形轴承类型的止推轴承.

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Shanghai Needle Bearing Plant is warmly welcome you to come to negotiate and give your orders.

上海滚针轴承厂竭诚欢迎客户洽商订购.

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Yoke Sleeve aluminum - bronze yoke sleeve minimizes operating torque. Larger sizes have needle bearing type thrust bearings.

轭架套管–铝青铜轭架套管最大程度减少操作扭矩. 较大通径的截止阀配置针形轴承类型的止推轴承.

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