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单词 drag chain
释义 drag chain
noun
: a chain that drags: as
 a. : a chain for coupling freight cars
 b. : a metal conveyor belt for removing the clinker from a cement kiln
 c. : a chain that is attached to the chassis of a motor vehicle (as a gasoline tank truck) and drags on the roadway to ground the chassis and prevent accumulation of static electricity
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更新时间:2025/3/19 7:28:19