In a solid-fuel rocket the reaction of fuel mixture is relatively slow and steady rather than explosive.
在使用固体燃料的火箭中，燃料混合物的反应比较缓慢而稳定，而不是爆发性的。
China has completed the test ignition of its largest solid-fuel rocket motor in the northwest city of Xi 'an.
中国已在西北部城市西安完成最大的固体燃料火箭发动机点火测试。
China has completed the test ignition of its largest solid-fuel rocket motor in the northwest city of Xi 'an.
中国已在西北部城市西安完成最大的固体燃料火箭发动机点火测试。
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