| 摘要 |
A manifold valve has an intake for receiving a secondary fluid, a passage upwardly extending from the intake, a valve unit for opening and closing a top end of the passage, and a main channel having an opening on a bottom wall thereof, the opening facing the top end of the passage. The secondary fluid is upwardly supplied into the main channel through the intake, passage, and opening when the valve unit opens the top end of the passage and is stopped when the valve unit closes the top end of the passage.
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