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working lining
met. 工作层; 工作衬; 炉衬工作层 (The pins are in direct contact with the bath, and melt back as the working lining wears away. 底电极中的钢针直接和熔池接触,并且随着炉衬工作层的熔损而熔化掉。)
tech. 工作炉衬; 工作衬 (里)
working lining
: 6 phrases in 2 subjects
Metallurgy5
Rail transport1