corrosion-proof valve的意思|示意

Parametersoff corrosion proof three-function valve and its develolpment are introduced in the paper.

介绍了防腐三用阀的性能参数，及其研究过程。

Stainless steel bellows globe valve is made of stainless steel 304, 316 as the corrugated pipe valve body material, corrosion proof performance, heat resistance, low temperature resistance.

进口不锈钢波纹管截止阀是采用不锈钢304、316作为阀体材质的波纹管截止阀，具有耐腐蚀、耐热、抗低温的性能。