The helmet is made of a small, helium gas cylinder with special motion sensors.
头盔由带特殊的运动传感器的小氦气筒组成。
Purchased key Labor Protection Articles, such as safety Helmet, Anti-gas Aspirators must have label of safety assessment.
所采购的关键劳动防护用品如安全帽、防毒口罩等必须有安鉴字样的标签。
The helmet crew is a professional team for treating the disaster accidents such as the mine fire, mine gas, mine dust, mine water, and roof, etc.
矿山救护队是处理矿井火、瓦斯、煤尘、水、顶扳等灾害事故的专业队伍。
All the competitors must supply their own safety equipment and must wear a helmet. Gas and electric powered bikes are not permitted.
参赛者自备参赛车辆、装备与护具，所有车辆不得配有任何非人力传动、助动装置。
All the competitors must supply their own safety equipment and must wear a helmet. Gas and electric powered bikes are not permitted.
参赛者自备参赛车辆、装备与护具，所有车辆不得配有任何非人力传动、助动装置。
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