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  1. Axial crushing responses and energy absorption characteristics of aluminum honeycombs filled with graphene oxide modified rigid polyurethane foam
  2. A Parameter Optimization Simulation Method for Crank Torque of Double Horse Head Pumping Unit Dynamics Model with Cable
  3. The Variable Cross-Section Rotary Dynamic Seal and its Application
  4. Damage Identification Method Based on LMD Sample Entropy and SVM for Oil Derrick