×
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
Information
Contact Us
中文
Theoretical Research on Circumferential Stress of Four-point Bending Specimen of Unequal Thickness
LIAN Zhanghua, ZHANG Jin, WANG Yuhai, ZHANG Qiang, LIU Yonggang
西南石油大学学报(自然科学版) . 2020, (
1
): 161 -169 . DOI: 10.11885/j.issn.1674-5086.2018.08.30.03