航空专业英语 thanks!
GE90 is family of high-bypass turbofan built by GE-Aviation.it was first introduced in november 1995 and is available only on boeing 777.the GE90 series are physically the largest engines in aviation histroy.the latest variant,the GE90-115B,has a fan diameter of 325cm(128 in).it is an advanced design made from composite materials.页:
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