Use this product to plug up the steel-tapping hole in making steel, which will automatically fall off when dump the molten steel.

炼钢过程中用该产品堵住出钢口，倾倒钢液时自动脱落。

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Subgrade excavation of rock using pneumatic drill and DTH drill Hole drilling, loose blasting in small and deep hole blasting, excavators and loaders loading ballast, dump truck, bulldozer tie.

正在翻译，请等待…路基挖石方采用风钻和潜孔钻打眼，小型松动爆破和深孔爆破，挖掘机和装载机装碴，自卸汽车运输，推土机配合。

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