The casting of such a big copperware needed the metals above 1000 kilograms, also must have the big furnace.
铸造这样高,所需金属料当在1000千克以上,且必须有较熔炉。
The casting of such a big copperware needed the metals above 1000 kilograms, also must have the big furnace.
铸造这样高,所需金属料当在1000千克以上,且必须有较熔炉。
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