单词 | 加强杆 |
例句 | DEFINITIVE EXAMPLES 权威例句〔spar〕A principal structural member in an airplane wing or a tail assembly that runs from tip to tip or from root to tip.加强杆:飞机机翼或机尾部件中组装的从顶到底或从底到顶的主要结构部件美国传统 |
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