"What types of businesses are involved in the sales channels for bulk Baijiu (unpackaged distilled liquor)?"
Explanation:
1. 散装白酒 → "bulk Baijiu" (using "Baijiu" as the internationally recognized term for Chinese liquor, with "unpackaged distilled liquor" added for clarity).
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2. 销售渠道 → "sales channels" or "distribution channels.
3. 类型的企业 → "types of businesses" (covers manufacturers, wholesalers, retailers, etc.).
Simplified version (without clarification):
"What types of businesses are part of the sales channels for bulk Baijiu?"
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（图片来源网络，侵删）
