水电站剖面图 · 图解英语单词 · 22 个单词

水电站剖面图场景图解英语单词:22个高频词汇(screen, circuit breaker, transformer, reservoir, access gallery, afterbay…)带图标签、真人发音、中英对照,附免费可打印 A4 PDF,点图即可学单词。

Hydroelectric plant cross-section annotated picture vocabulary with labeled objects

本图点读词汇(22)

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