| 摘要 |
An oil delivery system wherein, in order to effect the discharge of solidified or semi-solidified oil remaining in a tank after primary delivery of the bulk of the oil therefrom, a nozzle is inserted in the free space within the tank, oil of the same kind as the oil in the primary delivery is heated and directed through the nozzle onto the residual oil, which is thereby melted, and rendered easily movable.
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