This article describes the situation of blind drain used in the construction of Laoyemiao-Jining Expressway, and the main form of blind drains.
介绍了老集高速公路建设中使用的盲沟情况，描述了老集高速公路盲沟的主要形式。
This article describes the situation of blind drain used in the construction of Laoyemiao-Jining Expressway, and the main form of blind drains.
介绍了老集高速公路建设中使用的盲沟情况，描述了老集高速公路盲沟的主要形式。
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