This technology has been widely applied on Pan - Hai Expressway and obtained great economic and social benefits.

在盘锦至海城高速公路上进行大面积推广应用，取得了较大的经济社会效益。

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This technology has been widely applied on Pan - Hai Expressway and obtained great economic and social benefits.

在盘锦至海城高速公路上进行大面积推广应用，取得了较大的经济社会效益。

youdao