Youtube activity of "Bettina" (@Bettinasisrg) on "鲁磊 LuLei" channel.
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UC6Sgx43tKkf8NcDWXNng5Jw
Commenter youtube id
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Bettina
Commenter name
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@Bettinasisrg
Commenter name id
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"Ancient Method of Oil Extraction: The Whole Process of Making Edible Oil in Ancient Times"
Comments by video
"Make a Huǒ Zhé Zi: The Ancients Used it to Save the Fire"