Bell X-1
The Bell X-1 was the first manned aircraft to exceed the speed of sound in level flight.
Lớp 4 – 12
Từ khoá
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Bell X-1
The Bell X-1 was the first manned aircraft to exceed the speed of sound in level flight.
Lớp 4 – 12
Từ khoá
mozaLink
/Weblink