资料来源 : Webster's Revised Unabridged Dictionary (1913)
Mitis casting \Mi"tis cast`ing\ [Perh. fr. L. mitis mild.]
A process, invented by P. Ostberg, for producing malleable
iron castings by melting wrought iron, to which from 0.05 to
0.1 per cent of aluminium is added to lower the melting
point, usually in a petroleum furnace, keeping the molten
metal at the bubbling point until it becomes quiet, and then
pouring the molten metal into a mold lined with a special
mixture consisting essentially of molasses and ground burnt
fire clay; also, a casting made by this process; -- called
also {wrought-iron casting}.