The prevention of road mudding soil region is still a problem.

寒区非高等级路面的道路“返浆”,至今仍未找到彻底的防治办法.

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I believe he is capable of mudding through this difficulty.

我相信他总能混过这个难关.

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However, It'suffers from some problems such as tin whisker, surface color changes and bath mudding.

但纯锡电镀中存在着许多问题,如锡晶须 、 镀层变色及镀液混浊等.

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