Crucibles
[kru:siblz]
例句:
- Between that time and 1770 he practised melting small pieces of blistered steel (iron bars which had been carbonised by smelting in charcoal) in closed clay crucibles. 威廉·亨利·杜利特. 世纪发明.
- Furnaces to hold the crucibles, and made of iron cylinders lined with fire brick, whereby the crucibles were subjected to greater heat, were also known. 威廉·亨利·杜利特. 世纪发明.
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