Determination of Centrifugal Fan's Position Parameters of Two-Fan Cylinder Screen Cleaning Unit王显仁, 师清翔, 刘师多, 姬江涛, 倪长安5-7,33
Compound Bulging Forming Technology and Design of Die for Three-Way Pipe of Red Copper蔡利芳, 张彦敏, 孙爱学30-33