矿山测量数据是矿山三维巷道计算机模拟的基础数据。

Mine surveying data is the basic information of 3d mine tunnel modeling.

youdao

矿山测量数据是矿山三维巷道计算机模拟的基础数据。

Mine surveying data is the basic information of 3d mine tunnel modeling.

youdao