The stone that cannot be dug directly can use blasting operation.
机械不能直接开挖的石方采用爆破法开挖。
Sand blasting equipment price has made reliable performance, reasonable design, convenient operation, high efficiency characteristics.
制砂设备价格具有性能可靠、设计合理、操作方便、工作效率高等特点。
Sand blasting equipment price has made reliable performance, reasonable design, convenient operation, high efficiency characteristics.
制砂设备价格具有性能可靠、设计合理、操作方便、工作效率高等特点。
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