镀锌的出光液一般用（）。

[单选题]镀锌后的出光处理一般是用（）溶液。A .硫酸和硝酸B .盐酸和硫酸C .硝酸和盐酸D .铬酸和硝酸

[单选题]热镀锌从锌液中引出的速度一般为（）A . 1.5米/minB . 0.5米/minC . 1米/min

[单选题]避雷线一般用截面不小于()镀锌钢绞线。A.25m㎡B.50m㎡C.75m㎡D.35m㎡

[单选题]避雷线一般用截面不小于()镀锌钢绞线。A.25m㎡B.50m㎡C.75m㎡D.35m㎡

[单选题]避雷线一般用截面不小于（）镀锌钢绞线。A .25mm2B .50mm2C .75mm2D .35mm2

[单选题]避雷线一般用截面不小于( )镀锌钢绞线。A.25m㎡B.50m㎡C.75m㎡D.35m㎡

[单选题]避雷线一般用截面不小于( )镀锌钢绞线。A.25m㎡B.50m㎡C.75m㎡D.35m㎡

[单选题]避雷线一般用截面不小于( )镀锌钢绞线。A.25m㎡B.50m㎡C.75m㎡D.35m㎡

[单选题]避雷线一般用截面不小于( )镀锌钢绞线。A.25m㎡B.50m㎡C.75m㎡D.35m㎡

[单选题]避雷线一般用截面不小于( )镀锌钢绞线。A.25m㎡B.50m㎡C.75m㎡D.35m㎡