It's a fairly well-known technology, but it's not as efficient as nuclear thermal.

这是一项大家非常熟悉的技术，但是性能并没有核热火箭好。

youdao

It's a fairly well-known technology, but it's not as efficient as nuclear thermal.

这是一项大家非常熟悉的技术，但是性能并没有核热火箭好。

youdao