答：主要是应用的领域不一样，从镀锌质量来说，热镀不如电镀的好，从锌层厚度来说，一般热镀要比冷镀厚

答：就是在钢铁材料外表镀上一层金属锌，用来隔绝钢铁材料和空气包括水分的接触，从而尽可能避免锈蚀的一种工艺。 镀锌从加工方法上还可以分为热镀和冷镀。热镀锌铁丝的意思就是用热镀的方法在铁丝的外表镀上一层金属锌的铁丝埃 这种铁丝过去多用于...

答：看表面光洁度和亮度，热镀锌相对比较毛糙，电镀锌是化学镀锌法很光滑而且比较光亮。

It was now dark; but a rumbling of wheels was audible It was now dark; but a rumbling of wheels was audible Hannah soon had a lantern lit It was now dark; but a rumbling of wheels

The door was fastened, but she pressed against the rusty latch, and it gaveway The door was fastened, but she pressed against the rusty latch, and it gaveway The door sprang open,

A dashing way he had of treating me like a plaything, was more agreeable to me than any behaviour he could have adopted A dashing way he had of treat,如何用简单方法区别热镀锌铁丝和冷镀锌铁丝？没有...

热镀锌铁丝, I doubt if I could have felt much stranger if the maps had been real foreign countries, and I cast away in the middle of them I doubt if I could have

I don’t know what good he thought it would do me, for I had one of my own: but it was all he had to lend, poor fellow, except a sheet of letter-paper full of skeletons; and that h

I don’t know what good he thought it would do me, for I had one of my own: but it was all he had to lend, poor fellow, except a sheet of letter-paper full of skeletons; and that h

‘You see,’ he said, still hugging himself in that unpleasant way, and shaking his head at me, ‘you’re quite a dangerous rival, Master Copperfield ‘You see,’ he said, still hugging