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One of China's workhorse rockets just exploded in flight
中国主力火箭空中爆炸，若指向YF-100发动机，航天可靠性将面临重大拷问。
If the failure involved the YF-100 engine, there are broader concerns for China's space program.
中国主力火箭空中爆炸，若指向YF-100发动机，航天可靠性将面临重大拷问。
If the failure involved the YF-100 engine, there are broader concerns for China's space program.