Meinten Sie:
person:(zhang, jing)
•
person:(zhang, ming)
•
person:(zhang, ying)
•
person:(zhang, ding)
•
person:(zhang, ping)
Water surface garbage cleaning device based on water ecological restoration
Modified phenolic resin, preparation method thereof and rubber composition
Plant protection unmanned aerial vehicle capable of precisely applying pesticide
Dustproof heat dissipation device based on new energy charging pile
Pure electric multifunctional train carriage leaking stoppage vehicle
Unmanned aerial vehicle aerial seeding afforestation method
Automatic control and emergency treatment system and method for liquid propellant filling
Positioning detection device for subway power supply installation
Rice seed sowing device for unmanned aerial vehicle sowing
Rapid and uniform unmanned aerial vehicle fertilization device for rice planting
Biodegradable butenediol-based polyester elastomer tread rubber and preparation method thereof
Unmanned aerial vehicle rice seed and fertilizer simultaneous sowing one-time fertilization method
Composition, rubber compound, preparation method of rubber compound and tire
Composition for preparing tread, rubber material, preparation method of rubber material and tire