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https://gitee.com/ge-yafang/docs/pulls/9291由 葛亚芳 提交于
update zh-cn/application-dev/device/usb-overview.md. Signed-off-by: N葛亚芳 <geyafang@huawei.com>c3b952ff
update zh-cn/application-dev/device/usb-overview.md.
Signed-off-by: N葛亚芳 <geyafang@huawei.com>