| 摘要 |
A booster(8) which controls the supplying pressure by a display control system was set to the pipeline(6) joining a molten bath(1) of press type automatic casting furnace to a pressure source(7). Pouring was controlled by the controlling circuit of the booster connected with a presetter of a base pressure(10) proportionate to keeping amounts of the furnace and a presetter of short pressure(11) with pressure controlling signal.
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