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单词 water column
释义 water column
noun
1. : water gage; also : the column of water in the gage
2.
 a. : a vertical pipe with valves and spout for delivering water to a locomotive tender
 b. : a device that is connected to the back boiler head of a locomotive and bears the water glass, the gauge cocks, and usually a lighting element
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更新时间:2024/11/13 20:43:05