镀锌自攻螺丝
galvanized steel self tapping screw
镀镍钢带
nickel plated steel strip
镀镍钢带和镀镍穿孔钢带
nickel-plated steel sheet and nickel-plated punched steel sheet
镀锌自攻螺线
galvanized steel self tapping screw
钢丝镀锌层
Zinc coatings for steel wire
化学镀镍钢
electroless nickel plated steel
无电镀镍钢
electroless nickel plated steel
PC钢丝钢绞线
PC Steel Wire and PC Steel Strand
PC steel wire and strand
不锈钢钢丝绕制筛管
stainless steel wire wrapped screen
不锈钢攻丝
the tapping of stainless steel