| 单词 | chain-grate | 
| 释义 | > as lemmaschain-grate   chain-grate  n. 		(also chain-grate stoker)	 (see quot. 1889). ΘΚΠ society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > 			[noun]		 > fuel-feeders fuel-feeder1874 mechanical stoker1884 chain-grate1889 1889    Cent. Dict.  				Chain-grate, a feeding-device for furnaces. The fuel.. is slowly carried forward by an endless apron formed of cross~bars attached at each end to moving chains. These bars form the grate. 1930    Engineering 7 Feb. 178/2  				It would..be simpler to burn it on chain-grate stokers. 1930    Engineering 21 Mar. 391/2  				In chain grates..a zone of reducing gas..is apt to form immediately behind the bed of coal. < as lemmas  | 
	
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