About 2 item dissertation in line with Water-saving drilling query results,the following is 1 to 50(Search took 0.032 seconds)
- Structural Design and Mechanism Study on Water-saving Rotary Percussive Devices,LuChunHua/China University of Geosciences,2/356
- Properties Research on the Hydraulic Tools of the New Type of Water-saving Drilling Technology,XuWei/China University of Geosciences,0/119
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