Ground gravity balancing device and method for telescopic capturing mechanism
Positioning structure and method for multifunctional repeatable interface
Initiating explosive device cut-off unlocking type power switching device
Lunar butt joint pneumatic arm capable of being repeatedly unfolded and folded, device and method
Rope-driven multifunctional transfer telescopic arm device
Multi-point far-end synchronous unlocking device based on manual control
Intelligent elevator traction machine and abnormity self-detection method
Elevator fault rescue method and elevator barring rescue system thereof
Active cooling and energy comprehensive utilization system and implementation method
Reusable orthogonally-arranged rope-controlled unlocking electric connector pulling-out device
Coordinated energy recovery method and system for electric vehicle
Four-point linkage release non-self-locking thread type connection and separation device and method