Cryopreservation box storing and taking device and method
Deceleration strip control system and deceleration strip control method
Defogging type high-safety intelligent automobile data recorder
Delivery method and system for ship simulation deliverable
Design method of near-earth asteroid kinetic energy impact task orbit with optimal deflection effect
Detachable and adjustable universal hoisting device for construction hoist
Detachable and replaceable air conditioner filter element and frame structure thereof
Device, system and method for detecting drunkenness of driver in vehicle
Die-casting structure for lower automobile body of automobile
Disabled vehicle lifting device and working method thereof
Docking block assembly and supporting structure of inclined-bottom ship
Double-contact-line integral suspension type sling assembly