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美国通用电气公司和普惠公司正进行3项由空军支持的研究工作:用先进塑料制成的发动机零部件取代由普通金属和PMR-15基复合材料制的零部件。赖特-帕特森美国空军基地的研究人员至少资助3项有关AFR-700(一种空军/TRW研
GE and Pratt & Whitney are conducting three air force-supported research projects that replace parts made of common metals and PMR-15-based composites with engine parts made of advanced plastics. Researchers at the Wright-Patterson U.S. Air Force Base funded at least three projects on the AFR-700 (an Air Force / TRW Research