名词
中文翻译：弹射头
同义词：
['launcher head', 'launcher cap']
例句：
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1.The engineer carefully fitted the tappet head onto the missile.
工程师小心翼翼地将弹射头安装到导弹上。
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2.The pilot had to remove the tapepet head to inspect the engine.
飞行员不得不取下弹射头来检查引擎。
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3.The spacecraft's launch was delayed due to a faulty tappet head.
由于弹射头故障，航天飞机的发射被推迟了。