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Thrust regulation is a key technology on the solid liquid rocket ramjet engine.
推力调节是整体式固液火箭冲压发动机研究的一项关键技术。
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The engine cooling system actually is a temperature-regulation system.
发动机冷却系统实质是温度调节系统。
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The engine cooling system actually is a temperature-regulation system.
发动机冷却系统实质是温度调节系统。
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