The ageing impact toughness of the medium plate can be increased by controlling carbon and sulfur content and improving titanium content and the purity of the molten steel.
建议通过严格控制碳硫含量，提高钛含量和钢水纯净度，以提高钢板的时效冲击韧性。
2
The structure of the lamp radiator is made of stretched aluminum, with stretched high purity anodized aluminum plate as reflex housing.
灯具散热器结构为铝拉伸型材，高纯度阳极氧化铝板拉抻反射罩。
3
The heat sink of lamp is made of stretched aluminum, with its reflex housing made of stretched high-purity anodized aluminum plate.