Experimental research on such problem is conducted, ice freezing mechanism is discussed, and prevention measures are given.

为此对冰堵问题进行了实验研究，探讨了成品油管输中的结冰机理，并提出了防冰堵的措施。

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Research flights by McAvoy and fellow pilot Lawrence Clousing included looking into the problem of ice buildup on aircraft.

由麦卡沃伊和同航班的飞行员劳伦斯clousing研究纳入了飞机上的冰积累看问题。

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Then, we glued it again, and added some ice on the cold copper of engine, but the problem of gas-tightness didn't be figured out. And, camshaft is not good enough.

后来，我们再用胶水补好，冷却板也加了冰块，但是气密性的问题还没有解决，另外，凸轮轴也做得不够好。

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Earlier heavy snow and ice continues to be a problem on many of Somerset's roads.

BBC: Snow and ice disrupt M5 and many other Somerset roads