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已研究出一些特殊的，可提高道路施工安全性的黄色标志。这些标志已在公路 上通过评估。几乎所有司机都喜欢这些新型道路施工标志。可以预料，不久的将 来，当局会批准在公路上广泛使用这类标志。
Some special yellow signs have been developed that can improve road construction safety. These signs have been evaluated on the road. Almost all drivers like these new road construction signs. It is expected that in the near future, the authorities will approve the widespread use of such signs on highways.