Although Germany had produced a jet fighter it was Frank Whittle of the R.A.F.who had invented the jet engine and patented it as early as 1930.
虽然德国已经制造了喷气式飞机，但是R.A.F的弗兰克。卫通(Frank Whittle)发明的喷气式发动机并早在1930年就申请了专利。
Although Germany had produced a jet fighter it was Frank Whittle of the R.A.F.who had invented the jet engine and patented it as early as 1930.
虽然德国已经制造了喷气式飞机，但是R.A.F的弗兰克。卫通(Frank Whittle)发明的喷气式发动机并早在1930年就申请了专利。
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