| 摘要 |
PURPOSE:Main pipes are connected to a plurality of tanks for finishing oils, respectively and each main pipe is connected to multifold switching valves with a branching pipe to enable a plurality of finishing oils to be fed by rapid and easy switching. CONSTITUTION:Main pipes 2A, 2B are connected to a plurality of tanks 1A, 1B and branching pipes 3A, 3B are connected to the main pipes 2A, 2B, respectively. Then, the branching pipes are connected to manifold switching valves 5, respectively and each manifold switching valve is connected through a metering pump 6 to feeding guides 7.
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