GB/T 40375-2021金属连接(紧固)结构耐蚀作业技术规范标准
英文:Technical specification of corrosion control operation for metal connection (fastening) structure GB/T 40375-2021介绍: ...
英文:Technical specification of corrosion control operation for metal connection (fastening) structure GB/T 40375-2021介绍: ...