history of the jet engine

{"cid":"91225698","title":"Electric 200MPa ultra-high pressure water jet cleaning machine, chemical tank, concrete, brushed steel plate descaling and cleaning equipment","imgUrl":"https:\/\/img.ismap.com\/nimg\/d2\/9b\/c980b6e748192d495d882b683759-200x200-1.jpg","attrs":{"Price":"55000USD","Brand Name":"RJHT","Model Number":"RJHT-20045","Minimum Order Quantity":"1","Delivery Time":"30","Nozzle Type":"Adjustable Spray Nozzle","Dimensions":"Varies by model, typically around 300x170x210 cm","weight":"2000KG","Flow Rate":"45 liters per minute","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Safety Features":"Thermal Protection, Pressure Relief Valve","Place of Origin":"Beijing, China","Hose Length":"10 to 20 meters","Pressure Range":"2000bar","Supply Ability":"5pcs-30day","Power Source":"Electric drive","Certification":"CE","power":"175KW"}}

{"cid":"91169044","title":"Welding Equipment Precision Alumina Al2o3 Machinable Ceramic Rod Anti Oxidation","imgUrl":"https:\/\/img.ismap.com\/nimg\/2f\/a7\/19ae1e526995589a175374518f23-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Mingrui","Model Number":"MR-IN-0522","Minimum Order Quantity":"100 pieces","Delivery Time":"25 working days after the order confirmed","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram, D\/P, D\/A","Supply Ability":"8000 pieces month","Packaging Details":"intertional carton box","Material":"Zirconia Ceramic","Surface":"Pulishing","Dimension":"according the drawing","technology":"machining","standard":"International Standard","MOQ":"5PCS","warranty":"8Months","Shipping":"DHL EMS UPS FEDEX TNT","Item":"Anti-oxidation Alumina Ceramic Parts Welding Equipment","OEM":"yes"}}