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Refractory
01
耐火物, 耐火材
lining consisting of material with a high melting point; used to line the inside walls of a furnace
refractory
01
頑固な, 扱いにくい
hard or impossible to control because of stubbornness
02
不応性の, 反応しない
temporarily unresponsive or not fully responsive to a process or stimulus
03
難治性の, 治療に反応しない
not responding to treatment
