Soft-touch luminous ornament material as well as preparation method and application thereof
Sidewall-opened type deep hole structure, mold of structure and injection molding method of mold
Research on Simulation Training System Prototype for Helicopter Fire Controlling Operations
Rear-column lower decoration plate and mold thereof as well as injection molding method
Device with sliding safety locking and unlocking functions
Brake Pedal Feel Verification of the Energy Recovery System
Bearing machinery electromechanical starting device triggered by gravity sensing
Automatic pedal device and system for filling gaps of subway platform