词Using biserial roller axletree with centripetal spherical support of the host axletree can reduce energy consumption by 30%.
主轴承受用双列向心还球面滚子轴承，可降低能耗30%。
Using biserial roller axletree with centripetal spherical support of the host axletree can reduce energy consumption by 30%.
主轴承受用双列向心还球面滚子轴承，可降低能耗30%。
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