Wedge-shaped wood knocking device and method for ship launching sliding plate
Warship landing control system and control method of no-load passive self-adaptive undercarriage
Four-foot type self-adaptive undercarriage applied to helicopter
Method for correcting deformation of landing grating of ship helicopter
Method for measuring length of ship body on inclined slipway
Method for ship body annular multi-block pre-correction
Communication range extending method and device and terminal equipment
Controllable, adjustable and movable emergency refrigeration, air supply and dehumidification device