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Analysis of the Strength and Stiffness of the Underwater Autorotating Rotor (AIAA 2017-4381)
Water surface floating garbage and plant collecting device capable of automatically dumping
Method and device for detecting abnormal state of hoisting equipment and computer equipment
VEHICLE-MOUNTED STORAGE DEVICE, VEHICLE-MOUNTED REFRIGERATOR AND AUTOMOBILE
Pressure reducing system for fuel gas and natural gas dewaxing vehicle