Ship air conditioning device utilizing biomass energy and working method
Sand-discharging and dust-removing air conditioning unit and railway vehicle
Fiber blended fabric reinforced quartz-based composite material and preparation method thereof
Multi-purpose pure electric intelligent dust removal vehicle
Material carrying device with stone crushing function for tunnel construction
Determination of Poisson's ratio of solid circular rods by impact-echo method
Preparation method of agricultural automobile butyl inner tube added with butyl rubber powder
Preparation method of butyl rubber powder-added butyl inner tube of lorry
Tire tread rubber composition and application thereof
Lorry inner tube raw material added with regenerated butyl rubber
Large-tonnage freight elevator car structure and using method thereof