Steel roller bearing is working in the harsh condition of heavy load, high speed and water washout, etc.
轧辊轴承是在重载荷、高转速、工作环境很恶劣的情况下工作的。
Owing to the change of operating condition and serious water bearing in crude oil, the top of atmospheric tower is corroded and boring.
因操作条件变化和原油带水严重，造成常压塔顶部塔壁腐蚀穿孔。
The minimal water film thickness is the basic condition which ensure the water hydraulic static bearing of valve plate working well.
最小水膜厚度是保证配流盘静压支承工作的基本条件。
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