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脊角棱镜
meaning in English
roof prisms
roof-angle prism
Related Words
菱面体棱镜
听脊
枕脊
脊部
脊桁
脊膜
脉脊
脊抟
垂脊
脊形迹
脊间的
脊角
脊角瓦
脊结
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