| 单词 | puddle steel |
| 释义 | > as lemmaspuddle steel ΚΠ 1863 P. Barry Dockyard Econ. 234 Turning out 600 tons of malleable iron and puddle steel weekly. 1870 R. H. Lamborn in J. S. Wright Chicago (ed. 2) 141 The proper development of the iron industry..demands a steady..supply of first class charcoal metal..for..cast steel, puddle steel, and, above all, for use in the Bessemer or Pneumatic converter. < as lemmas |
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