| 摘要 |
A lawn mower includes a grass bag for collecting cut grass, which is attached to a rear wall of a cutter housing of the lawn mower. The rear wall includes an exit that communicates the grass bag with a cut grass carrying passage formed in the cutter housing, and a plurality of internal pressure control holes formed proximately to the exit. When a grass cutting operation continues, cut grass is accumulated in the grass bag, causing the internal pressure of the bag to rise. By virtue of the control holes, rise of the internal pressure is restrained.
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