검색
Refractory
01
lining consisting of material with a high melting point; used to line the inside walls of a furnace
refractory
01
다루기 힘든
hard or impossible to control because of stubbornness
02
다루기 힘든
temporarily unresponsive or not fully responsive to a process or stimulus
03
다루기 힘든
not responding to treatment
