钢烟囱防腐
Prevention of Corrosion in Steel Chimney
防火防腐
anticorrosion and flame retardant
防水防腐
waterproof and anticorrosion
waterproofing and anti-corrosion
防水防腐胶泥
antiseptic and waterproof mortar
防水防腐涂料
waterproof and resistance corrosion coating
防腐阻垢
corrosion and scale inhibition
辐射食品防腐
radiation preservation of food
腐蚀现状及防腐措施
Corrosive situation and anti-corrosion measure
腐蚀与防腐
Corrosion and Anticorrosion
复合防腐技术
Composite antiseptic technology
防止锅炉内形成CaCO-3垢的一种防腐添加剂商品名