Stetefeldt furnace

短语

词形变化

Stetefeldt furnaces 复数 Stetefeldt furnaces

释义与例句

n.
  1. 1.

    A metallurgical furnace widely used in the western United States for the roasting of silver ores.

词源

Invented by U.S. mining engineer Carl August Stetefeldt.

来源：wiktionary