| 摘要 |
A ventilator having an optimum air box includes an outer hood, an air box, and a fan motor. The air box is mounted in the outer hood and is provided with a receiving zone which is extended forward, so that the smoke suction port of the outer hood and the fan motor are displaced forward and are located above the range exactly, so that the oily smoke produced from the range is sucked into the smoke suction port of the outer hood entirely and completely, thereby greatly enhancing the ventilating effect.
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