| 摘要 |
A device for delivering gas is disclosed. The device may include a chamber and a guide. The chamber may include a set of input openings for receiving the gas and an output opening for providing the gas. The set of input openings may include a first hole and a second hole. The chamber may receive a first portion of the gas through the first hole and a second portion of the gas through the second hole. The guide may include a guiding unit. The guiding unit may be disposed inside the chamber. The guiding unit may contact the first portion of the gas before the first portion of the gas contacts the second portion of the gas and may contact the second portion of the gas before the second portion of the gas contacts the first portion of the gas.
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