A kind of shell and Portable payment terminal of Portable payment terminal
CN109931046A
A kind of Downhole jetting device of petroleum production system
CN109925969A
A kind of precipitating type algae water separation device
CN109933558A
A kind of the analysis of public opinion system based on database synchronization
CN109928565A
A kind of urban wastewater treatment device
CN109932037A
A kind of integrated electronic scale device with payment function
CN109925974A
A kind of frequency conversion type oily water separating equipment
CN109966877A
A kind of power plant's zero-emission environmental protection and energy saving processing unit
CN109925783A
A kind of efficient disk type clarifier
CN109979129A
A kind of network security terminal payment mechanism based on regulated power supply
CN109942171A
A kind of three separators of oily sludge
CN109931704A
A kind of high-efficiency energy-saving emission-reduction circulating fluid bed organic heat carrier boiler
CN109928587A
A kind of oil exploitation collection is defeated to use low sheraing plunger-type throttle valve
CN109931586A
A kind of single drum horizontal formula traveling-grate stoker spray denitration corner tube boiler
CN109973991A
A kind of multifunction storage coal gasification heating hearth boiler
CN109931594A
The frequency conversion of precombustion chamber built in a kind of band automatically controls burning water-coal-slurry, oily boiler for dual purpose
CN109935014A
A kind of payment terminal remote auto matching firmware updating service packs method based on Ftp
CN109928534A
A kind of efficient sludge of drinking water separation equipment
CN109925784A
A kind of efficient mist of oil separation filter core
CN109931587A
A kind of spray denitration boiler with expansion chamber
