阀组针型阀QFF3-160-DN5,QFF3-320-DN5


优质碳钢
High grade carbon steel




QFF3-320-DN5


铬镍不锈钢
Cr. Ni Stainless stee


铬不锈钢
Cr. Stainless steel


铬镍不锈钢
Cr. Ni Stainless steel


不锈钢Stainless steel

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