Must wear safety helmet的意思|示意
必须戴安全帽
Must wear safety helmet的网络常见释义
必须戴安全帽 西安普众安康为您推荐：必须戴安全帽（Must wear safety helmet）标志设置范围和地点是头部易受外力伤害的作业场所，如：矿山、建筑工地、伐木场、造船厂及起重吊装处等。
中国国家标准标识 中国国家标准标识 强制类标志 必须戴安全帽 Must wear safety helmet 中国国家标准标识 强制类标志 必须戴防毒口罩 Must wear gas defence mask
Must wear safety helmet相关例句
All visitors to the site must wear safety helmet.
到工地的所有参观者必须带上安全帽。
All participants must wear a safety helmet or bike helmet during the race.
所有参赛者必须佩戴安全帽或单车头盔进行比赛。
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。