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Water pump, spraying system and plant protection unmanned aerial vehicle
Vehicle load-variable magnetoelectric coupling quasi-zero stiffness vibration isolator
Stone ballast hopper car unloading dust suppression device and stone ballast hopper car
Shock absorber, shock absorption cab and internal combustion locomotive
Sand-discharging and dust-removing air conditioning unit and railway vehicle
Pressure reducing system for fuel gas and natural gas dewaxing vehicle
Portable small crane for maintenance of oil tanker valve
Pipeline structure facilitating disassembly of ship ballast tank valve
Pesticide adding device for unmanned aerial vehicle pesticide box
Online monitoring and management equipment for energy storage battery