Rock strength is a basic parameter for rock engineering design.
岩石强度是岩体工程设计的基本依据。
Support Mechanical Design Engineering Team on basic design.
协助机械设计工程师团队进行基础的设计工作；
Rock strength is a basic parameter for rock engineering design.
强度是岩体工程设计的基本依据。
Rock strength is a basic parameter for rock engineering design.
强度是岩体工程设计的基本依据。
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