| 单词 | panelboard | 
| 释义 | panelboardnoun1   : a drawing board with an adjustable outside frame that is forced over paper so as to hold and strain it   2   : a strong rigid paperboard used for paneling in automobile bodies and in building construction   3   : an electrical panel containing switches and fuses or circuit breakers controlling branch circuits (as for lights or fan motors) that is enclosed in a metal cabinet and usually placed in or against a wall  called also distribution board | 
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