1. But the damage done to his left eye remains largely unknown, amid reports the optic nerve was damaged when his helmet and visor was struck by a 800 gram steel damper spring at 275kmh last Saturday afternoon.
但是关于他左眼的损伤程度却一直没有准确的报告，期间有报道称在他的头盔被那个RP差劲的弹簧以275km/h的速度砸坏时他的左眼也跟着一起坏掉了
2. Shell of Portuguese pattern mild steel helmet.
壳牌葡萄牙模式温和钢盔。
3. Metallic materials with high strength and high tenacity have been applied to products such as armors, speedboat, automobiles, bulletproof vest and steel helmet, etc.
高强高韧金属材料已应用于装甲、快艇、汽车、防弹衣、钢盔等。
4. Use of the Slip-line Method in Calculating Extrusion Force of the Steel Helmet with Cold Extrusion Moulding
计算冷挤压成型钢盔挤压力的滑移线法
5. I have made the same helmet but better from 18 guage steel, it took about 35 hours but i finished it well, it is painted with 3 coats of platework red oxide primer and finshed with the high gloss red and gold and finished with automotive clear coat.
我已经说了同样的头盔，但更好的18号钢，花了约35个小时，但我完成得很好，这与3的platework红色外套氧化底漆和finshed高绘有红色和金色光泽和成品汽车清漆。