每个模型提供了一个纤维增强聚碳酸酯设计，使这些双目模型非常轻便耐用。
Each model offers a fiber reinforced polycarbonate design that makes these binocular models extremely lightweight and durable.
灯具的后罩壳材料选用玻纤增强塑料，透明罩壳材料选用聚碳酸酯。
The martial of clear cover shad uses polycarbonate. Power source is used single-foot in a moment start floorescent tube lamp.
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