| 单词 | McNally-Vissac dryer |
| 释义 | McNally-Vissac dryer [mik`nal·ē ´vi´sak ´drī·ǝr] MINING ENGINEERING A coal dryer that operates on the convection from the heavy forced draft from a coal-fired furnace; it consists of an inclined reciprocating screen over which coal moves; moisture is removed by the hot air from the furnace passing down through the bed of coal. |
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