GB/T 37195-2018以树脂为基料管道耐蚀修复作业技术规范国家标准
英文:Technical specification for rehabilitation of pipeline corrosion prevention with resin GB/T 37195-2018介绍: 国家标准《以树脂为基料...
英文:Technical specification for rehabilitation of pipeline corrosion prevention with resin GB/T 37195-2018介绍: 国家标准《以树脂为基料...