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介绍了TK-A系列正作用液动冲击器和TK-S系列绳索取心冲击回转钻具的技术原理、主要技术性能参数及推广应用概况。
The technical principle, main technical performance parameters and popularization and application of TK-A series positive impact impact drill and TK-S series rope coring impact drilling tool are introduced.