短語詞組短語Ophthalmic rotary prism 眼科旋轉棱鏡hand held rotary prism 手持旋轉棱鏡variable rotary prism 變易回旋性棱鏡rotary prism lens 旋轉棱鏡rotary dual -wedge prism 旋轉雙光楔prism rotary principle 棱鏡轉動定理 返回 rotary prism