English translation for "双焦面"
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- bifocal segment
bifocal surface
- Similar Words：
- "双焦法" English translation, "双焦镜" English translation, "双焦距前照灯" English translation, "双焦距潜望镜" English translation, "双焦距透镜" English translation, "双焦透镜" English translation, "双焦眼镜" English translation, "双焦眼镜 玻璃, 双光眼镜 玻璃" English translation, "双焦眼镜，双光眼镜" English translation, "双焦装置" English translation
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