边缘的熔岩要比中间的冷却的快，这样就形成了像墙一样的结构，我们称之为流堤。
The sides of the flow can also cool faster than the center, leading to the formation of wall-like structures known as flow levees.
空气来冷却引擎所提供的自由流动量和一个更大，更有效的中间。
Air to cool the engine is provided by a free-flowing intake and a larger, more efficient intercooler.
这是并不罕见，发现有气泡在中间的散热器冷却剂。
It is not rare to find out that there are air bubbles in the middle of the radiator coolant.
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