structural feather是什么意思 structural feather怎么读
structural feather的用法和样例
- The structural characters and seismic defection of the stadium are introduced.
介绍了工人体育场的结构特点和抗震缺陷。 - The entire gastrointestinal canal presents certain common structural characteristics.
整个胃肠道具有某些共同的结构特点。
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