Jonny was here overflow pine electrical engineering assignment help puzzled To make the injector, researchers used a process known as selective laser melting to fuse together layers of nickel-chromium alloy powder. Though the subscale test part was the size of an injector that might be used in a small rocket engine, its design was similar to an injector for a large rocket engine, such as the RS-25 engine that will power NASA's Space Launch System (SLS), which is intended to for future deep space missions. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])