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1.The steam-driven catapult is used to launch projectiles at high speeds.
蒸汽驱动的弹射器用于以高速发射弹丸。
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2. The engineer was able to design a steam-driven catapult that could fire a rocket with precision.
这位工程师能够设计出一种蒸汽驱动的弹射器,能够精确地发射火箭。
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3. The steam-driven catapult was a revolutionary tool for military use, allowing for long-range artillery firing.
蒸汽驱动的弹射器是军事领域的革命性工具,允许进行远程火炮射击。