×
模态框(Modal)标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框(Modal)标题
在这里添加一些文本
Close
×
Toggle navigation
Home
About Journal
Editorial Board
Instruction
Subscription
FAQ
Contact Us
E-mail Alert
中文
Directional deflection equations for steerable drilling tools and the control mechanism of wellbore trajectory
LIU Xiushan
Petroleum Exploration and Development . 2017, (
5
): 788 -793 . DOI: 10.11698/PED.2017.05.14