go-dev.il
n.（名词）
A logging sled.
滑板中耕机
A railway handcar.
铁路上的手摇四轮车
A jointed tool for cleaning an oil pipeline and disengaging obstructions.
刮管器：一种用来清洗油管和清除阻塞物的节状工具
An iron dart dropped into an oil well to explode a charge of dynamite.
冲棍：一种投入油井中以引爆炸药的铁矛
