腐蚀防护工程
Corrosion and protection project
防腐工程
anti corrosion constrution
antiseptic project
antisepsis engineering
防腐蚀工艺
Anti-corrosion Technology
工程防腐
anticorrosion for engineering
材料防腐蚀技术
materials anti-corrosion technology
长效防腐蚀
Long-effective corrosion resistance
long term corrosion protection
长效防腐蚀涂料
long-term corrosion resistance coating
长效综合防腐蚀技术
long-term efficiency corrosion protection technology