不锈钢阀头和阀座延长使用寿命。
Stainless steel valve head and seats provide long service life.
该阀采用锻钢阀体,密封为自润滑工程塑料。
这种阀门应该是黄铜阀体,不锈钢阀杆和弹簧。
Valve shall have a brass body and stainless steel stem and spring.
材料:铁,液压阀低碳钢,不锈钢,其他材料。
Material: iron, carbon steel, stainless steel, other metals.
材料:铁,液压阀低碳钢,不锈钢,其他材料。
Material: iron, carbon steel, stainless steel, other metals.
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