This amazing picture shows a rare phenomenon called a roll cloud which tend to form ahead of a cold front and can stretch for miles.
这张惊人的图片展示了一种叫做云卷的罕见现象，它往往形成于冷锋之前，并能延伸数英里远。
The fast ultra thin gauge roll casting for aluminum strip rolling is a kind of highly efficient technology with obvious flatness phenomenon.
超薄快速铸轧同常规铸轧相比，板形奇异机理复杂，板形现象突出。
High temperature of roll surface cause burning phenomenon and lower the hardness of roll surface.
辊面高温会产生烧附现象，使辊面的硬度降低。
The main negative influence on the turbine life is the wear out of lapse roll bearing which is a stochastic phenomenon with continuation of time under a special condition.
涡轮寿命的薄弱环节主要是滚动轴承的磨损，它是在特定环境条件下，随时间的延续而出现失效的随机现象。
Anti roll capacity of anti rolling tank is limited, furthermore, sometimes the phenomenon of increasing rolling occurred.
而减摇水舱减摇能力有限，有时甚至出现增摇现象。
Anti roll capacity of anti rolling tank is limited, furthermore, sometimes the phenomenon of increasing rolling occurred.
而减摇水舱减摇能力有限，有时甚至出现增摇现象。
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