open-hearth iron 中文意思是什麼
open-hearth iron
解釋
平爐生鐵-
Pass splendid specimens of anglo norman architecture, pass pedestrians and pederasts, open hearth furnaces, basic bessemer mills, dynamos and transformers, pig iron castings and steel ingots
機車經過盎格魯-諾曼式建築的堂皇標本,經過了步行者和男同性戀者、露天冶煉爐、使用貝塞麥法的磨坊、發電機和變壓器、生鐵塊和鋼錠。
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