一个关于微波武器外表的原始的变化是，它们看起来象“一个厨房的微波炉，被从门处移除了防护罩，并被一个金属的漏斗代替。”
A primitive variation of a MW weapon would look like this: a microwave oven from the kitchen with the protective shielding removed from the door and replaced by a metal funnel.
对冲天炉风圈、加料漏斗的技术改进，使冲天炉的故障率明显降低，维修费也大大下降，很好地保证了熔炼工序的顺利进行。
The blast ring and charging hopper of a cupola was modified. As a result, the break down rate and maintenance cost was obviously decreased, and the melting process became more smooth.
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