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Device for assisting beginner in quickly passing through width-limiting pier
ETC anti-unauthorized-swiping and anti-forced-dismantling protection device
Safe passage and protection device for railway crossing
Adjusting and stabilizing device for temporary traffic lights
Command device applied to traffic light fault intersection
Bracket assembly for parachute harness recovery electric device
Emotion pacifying device for vehicle and control method thereof
Wearable human body position limiting device under weightless condition
Unmanned aerial vehicle for power grid inspection early warning and control method thereof
The declined phosphorylation of Heat shock protein 27 in rat cardiac muscle after hindlimb unloading