名词
中文翻译：双重交叉流动
同义词：
['double-cross flow', 'double-turnflow']
例句：
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1. The riverhas a double-cross flow that makesit difficult to navigate.
这条河流有双重交叉流动，使得航行困难。
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2. The engineer designedthe double-cross flow system to improveefficiency.
工程师设计了双重交叉流动系统以提高效率。
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3. The double-cross flow in thetunnel causes a significant amount of friction.
隧道中的双重交叉流动造成了相当大的摩擦。