The valve axis adopt stainless steel, it has good abradability and anti-causticity.
杆和填料密封装置同样采用不锈钢，具有耐腐蚀性能。
The valve axis adopt stainless steel, it has good abradability and anti-causticity.
阀杆采用不锈钢，有良好的抗腐蚀性，抗擦伤和耐磨性能。
The valve axis adopt stainless steel, it has good abradability and anti-causticity.
阀杆采用不锈钢，有良好的抗腐蚀性，抗擦伤和耐磨性能。
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