heavy iron meaning in English

厚度层热浸镀锌铁皮
厚锌层钢板

The bridge was supported by heavy iron chains hanging from two towers
这座桥是由系在两座桥塔上的粗大铁链支承的。
Sometimes , in the steaming , sizzling heat , as he swung the heavy irons back and forth over the white garments , it came to him that it was a dream
有时，当他在雾气腾腾热得冒泡的环境里来回地挥舞着沉重的熨斗，熨烫着衣物时，他真觉得是个梦。
He was naked , with the exception of cloth drawers at the left side of which hung a large knife in a sheath , and he bore on his right shoulder a heavy iron sledge - hammer
他浑身赤裸，只穿着一条布短裤，左腰上佩着一把插在鞘里的牛耳尖刀，右肩上扛着一把笨重的长锤。