英语词汇expandable structure简单造句、意思、用法及例句-英语例句辞典

单词	expandable structure
例句	原声例句当月 CNN 10 学生英语 Sierra Space conducted the test at NASA's Marshall Space Flight Center in Alabama, it was to measure the strength of its expandable structure. 塞拉航天公司在阿拉巴马州的NASA马歇尔太空飞行中心进行了测试，目的是为了测量其可膨胀结构的强度。
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