通过对焦炉吸气弯管堵塞事故原因的分析，探讨了事故的处理和预防措施。
By analyzing the cause of blockage accident of suction duct of coke oven, the measures for handling and prevention of the accident are discussed.
按亚洲人脸形设计独特的双重防雾功能，镜片本身采用纳米防雾技术处理，同时通过呼吸气流不断冲刷面屏表面达到除雾效果。
Design base on Asian features. Unique dual anti-fog function, visor's surface treated with nano anti-fog technique and the respiratory airflow washing the visor continuously for moving fog as well.
应用推荐