Usually as two words. A plate or sheet of metal of suitable thickness and strength to be used in constructing the shell of a boiler. Also as mass…
单词 | θ216568 |
释义 | society > occupation and work > materials > derived or manufactured material > metal > iron > [noun] > type of iron > iron for making boilers (2) boilerplate1793 Usually as two words. A plate or sheet of metal of suitable thickness and strength to be used in constructing the shell of a boiler. Also as mass… boiler-iron1851 rolled iron of 1/4 to 1/2-inch thickness, used for making steam-boilers, etc. |
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