The exterior plate at the front of the firebox in a steam locomotive, which is attached to the barrel of the boiler.
| 单词 | θ202829 | 
| 释义 | society > travel > rail travel > rolling stock > 			[noun]		 > locomotive > steam locomotive > part of fire-box (1)		 throat plate1872 The exterior plate at the front of the firebox in a steam locomotive, which is attached to the barrel of the boiler. | 
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