A.所謂的無(wú)鋅花熱鍍鋅鋼板實(shí)際上是鋅花直徑小于1㎜的熱鍍鋅鋼板` B.所謂的無(wú)鋅花熱鍍鋅鋼板實(shí)際上是鋅花直徑小于2㎜的熱鍍鋅鋼板 C.所謂的無(wú)鋅花熱鍍鋅鋼板實(shí)際上是鋅花直徑小于3㎜的熱鍍鋅鋼板 D.所謂的無(wú)鋅花熱鍍鋅鋼板實(shí)際上是鋅花直徑小于4㎜的熱鍍鋅鋼板E.所謂的小鋅花熱鍍鋅鋼板實(shí)際上是鋅花直徑小于4㎜的熱鍍鋅鋼板
A.1650mm B.2650mm C.3650mm
A.0~15m/min B.0~18m/min C.0~19m/min D.0~25m/min