go-dev·il /ˈgoˌdɛvəl/
油管清掃器,木材運搬撬
Go-dev·il n. Mach. (a) A weight which is dropped into a bore, as of an oil well, to explode a cartridge previously lowered. (b) A device, as a loosely fitted plug, which is driven through a pipe by the pressure of the contents behind the plug to clear away obstructions. (c) A rough sled or dray used for dragging logs, hauling stone, etc. [Local, U. S.]
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