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硬质膜
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硬质膜
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工学
[薄膜材料]
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hard film
硬质膜
为了提高构件表面耐磨性、耐腐蚀和耐高温性能而施加在其表面的覆盖层。
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railway communication
railway communication line
railway communication monitoring and testing
railway communication network management
railway communication services
railway communication system for stations and yards
railway construction environmental protection
railway construction survey
railway container transportation
railway control survey
railway crane
Railway Cultural Park in Xiamen
railway data communication network
railway dedicated communication system
railway direct power supply traction network
railway dispatch communications system
railway ecological protection
railway e-commerce
railway electric power supply
railway electric power supply system for highland
railway emergency communication system
railway emergency platform
railway emergency rescue
railway employee health management
railway energy consumption during the operation
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