CR防腐化学药剂
CR anti-corrosive chemical agent
T梁XYPEX防腐
XYPEX corrosion prevention of T beam
氨溶烷基铜铵ACQ防腐剂
ammoniacal copper quaternary ACQ preservative
材料防腐蚀技术
materials anti-corrosion technology
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
惩防腐败体系
system of punishment and prevention corruption
大口径3PE防腐
big caliber piping 3PE antisepsis