anodic pbo corrosion layer 阳极pbo
Anodic PbO2 corrosion layer 阳极PbO
external anti corrosion layer 外防腐层
anodic pbo 2 corrosion layer 阳极pbo腐蚀层
layer corrosion 层状腐蚀 ; [化工] 层间腐蚀
corrosion product layer 腐蚀产物层
Metallic coatings, eg. Zinc electrical plating surface: Anti-Corrosion layer.
金螺丝属表层、和表面，如电镀锌金属表面的防腐层。
My structure is well rigid; the steel is treated by an anti-corrosion layer of primer, and then painted.
我的结构很严格；钢的治疗是通过一个防腐层底漆，然后涂漆。
NG pipeline needs to be covered with anti-corrosion layer and plus cathode protect, to delay its corrosion.
敷设的天然气管道表面除做防腐层外还需加入阴极保护，以延缓腐蚀速度。
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