P634.9
地矿部“八五”科技攻关项目
蒋荣庆,沈崇峰,殷琨,等.液动贯通式冲击器用于水力反循环连续取心钻进[J].钻探工程,1998,(3):27-28.
Jiang Rongqing Shen Chongfeng Yin Kun Gu Hualiang. Hydraulic Reverse Circulation Con coring Using the Fluid Powered Central Hollow DTH Hammer[J]. Drilling Engineering, 1998,(3):27-28.