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我厂铸造车间原来修理冲天炉熔化带时,是用整块或半片的耐火砖涂上火坭按入凹坑中来进行修补的,每次需用耐火砖20~50块,火坭50~100公斤。
I plant foundry shop original repair cupola melting zone, is to use the whole or half of the firebrick painted fire 坭 pressed into the pit to be repaired, each required fire bricks 20 to 50, fire 坭 50 ~ 100 kg.